jiosephlee/chembl-endpoint-pair-clean-labels huggingface dataset:
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Activity
- Label type: binary
- Binary semantics: activity
- Assay description: Induction of apoptosis in human HT-29 cells assessed as chromatin condensation at cytotoxic IC50 after 72 hrs by Hoechst staining based fluorescence microscopic analysis
- Assay organism: Homo sapiens
- Assay cell type: HT-29
- Target name: HT-29
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: COCCOCCOCC(=O)O[C@@H]1C[C@]2(C)[C@H]3CC=C4[C@@H]5CC(C)(C)CC[C@]5(C(=O)O)CC[C@@]4(C)[C@]3(C)CC[C@H]2C(C)(C)[C@H]1OC(=O)COCCOCCOC
- Properties:
- ChEMBL ID: CHEMBL3823890
- Molecule type: Small molecule
- Molecular weight: 793.05
- Heavy atoms: 56
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 11
- TPSA: 145.28
- LogP: 6.67
- Rotatable bonds: 19
- Ring count: 5
- Aromatic rings: 0
- Formal charge: 0
- Fraction Csp3: 0.89
- QED: 0.08

## Known Reference Result on This Endpoint
- Molecule A clean result: activity label = 1
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type Activity; comment Active

## Query Molecule B
- Canonical SMILES: CC1(C)CC[C@]2(C(=O)NCCCOCCOCCOCCCN)CC[C@]3(C)C(=CC[C@@H]4[C@@]5(C)C[C@@H](O)[C@H](O)C(C)(C)[C@@H]5CC[C@]43C)[C@@H]2C1
- Properties:
- ChEMBL ID: CHEMBL3823852
- Molecule type: Small molecule
- Molecular weight: 675.01
- Heavy atoms: 48
- Hydrogen bond donors: 4
- Hydrogen bond acceptors: 7
- TPSA: 123.27
- LogP: 6.02
- Rotatable bonds: 14
- Ring count: 5
- Aromatic rings: 0
- Formal charge: 0
- Fraction Csp3: 0.93
- QED: 0.13

## Molecule Similarity
- Weighted Tanimoto: 0.5

Answer: 1
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: In vitro inhibitory concentration of compound against human cancer RXF 944 cell line was determined
- Assay organism: Homo sapiens
- Assay cell type: RXF 944
- Target name: RXF 944
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CC(=O)O[C@H]1C(=O)[C@@]2(C)C([C@H](OC(=O)c3ccccc3)C3C[C@H](OC(=O)[C@H](OC(=O)c4ccc(C(C)=O)cc4)[C@@H](NC(=O)c4ccccc4)c4ccccc4)C(C)=C1C3(C)C)[C@]1(OC(C)=O)COC1C[C@@H]2O
- Properties:
- ChEMBL ID: CHEMBL384552
- Molecule type: Small molecule
- Molecular weight: 984.06
- Heavy atoms: 72
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 15
- TPSA: 224.2
- LogP: 6.69
- Rotatable bonds: 13
- Ring count: 8
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.39
- QED: 0.06

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 7.05
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 90; units nM; pChEMBL 7.05

## Query Molecule B
- Canonical SMILES: CC(=O)O[C@H]1C(=O)[C@@]2(C)[C@H]([C@H](OC(=O)c3ccccc3)[C@]3(O)C[C@H](OC(=O)[C@H](O)[C@@H](NC(=O)c4ccccc4)c4ccccc4)C(C)=C1C3(C)C)[C@]1(OC(C)=O)CO[C@@H]1C[C@@H]2O
- Properties:
- ChEMBL ID: CHEMBL428647
- Preferred name: PACLITAXEL
- Molecule type: Small molecule
- Max clinical phase: 4
- Molecular weight: 853.92
- Heavy atoms: 62
- Hydrogen bond donors: 4
- Hydrogen bond acceptors: 14
- TPSA: 221.29
- LogP: 3.74
- Rotatable bonds: 10
- Ring count: 7
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.45
- QED: 0.13

## Molecule Similarity
- Weighted Tanimoto: 0.67

Answer: 7.3
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Inhibition of human muscarinic M3 receptor expressed in CHO cells
- Assay organism: Homo sapiens
- Assay cell type: CHO
- Target name: Muscarinic acetylcholine receptor M3
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: O=C(NCC1CCNCC1)c1ccccc1-c1cc(Cl)ccc1F
- Properties:
- ChEMBL ID: CHEMBL1083108
- Molecule type: Small molecule
- Molecular weight: 346.83
- Heavy atoms: 24
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 2
- TPSA: 41.13
- LogP: 3.88
- Rotatable bonds: 4
- Ring count: 3
- Aromatic rings: 2
- Formal charge: 0
- Fraction Csp3: 0.32
- QED: 0.88

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 6
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 1000; units nM; pChEMBL 6

## Query Molecule B
- Canonical SMILES: O=C(NCC1CCNCC1)c1ccccc1-c1cccc(Cl)c1
- Properties:
- ChEMBL ID: CHEMBL1085507
- Molecule type: Small molecule
- Molecular weight: 328.84
- Heavy atoms: 23
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 2
- TPSA: 41.13
- LogP: 3.74
- Rotatable bonds: 4
- Ring count: 3
- Aromatic rings: 2
- Formal charge: 0
- Fraction Csp3: 0.32
- QED: 0.9

## Molecule Similarity
- Weighted Tanimoto: 0.76

Answer: 5.4
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Inhibition of rat DYRK1A (1 to 499 residues) assessed as residual activity by ADP-Glo assay
- Assay organism: Rattus norvegicus
- Target name: Dual specificity tyrosine-phosphorylation-regulated kinase 1A
- Target type: SINGLE PROTEIN
- Target organism: Rattus norvegicus

## Reference Molecule A
- Canonical SMILES: Cc1ccc(-n2cc(COc3cccc4cnc(Nc5cccc(Cl)c5)nc34)nn2)cc1[N+](=O)[O-]
- Properties:
- ChEMBL ID: CHEMBL4758072
- Molecule type: Unknown
- Molecular weight: 487.91
- Heavy atoms: 35
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 8
- TPSA: 120.89
- LogP: 5.4
- Rotatable bonds: 7
- Ring count: 5
- Aromatic rings: 5
- Formal charge: 0
- Fraction Csp3: 0.08
- QED: 0.24

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 5.52
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 3000; units nM; pChEMBL 5.52

## Query Molecule B
- Canonical SMILES: Cc1ccc(-n2cc(COc3cccc4cnc(Nc5cccc(Cl)c5)nc34)nn2)c([N+](=O)[O-])c1
- Properties:
- ChEMBL ID: CHEMBL4783398
- Molecule type: Unknown
- Molecular weight: 487.91
- Heavy atoms: 35
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 8
- TPSA: 120.89
- LogP: 5.4
- Rotatable bonds: 7
- Ring count: 5
- Aromatic rings: 5
- Formal charge: 0
- Fraction Csp3: 0.08
- QED: 0.24

## Molecule Similarity
- Weighted Tanimoto: 0.79

Answer: 6.92
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Activity
- Label type: binary
- Binary semantics: toxic
- Assay description: Cytotoxicity against human SF-126 cells assessed as reduction in cell viability at 20 uM
- Assay organism: Homo sapiens
- Assay cell type: SF-126
- Target name: SF-126
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: C=C1CC[C@@]2(O)C[C@@H]1[C@]2(C)[C@@H](/C=C/C(C)(C)O)OC(C)=O
- Properties:
- ChEMBL ID: CHEMBL5641891
- Molecular weight: 294.39
- Heavy atoms: 21
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 4
- TPSA: 66.76
- LogP: 2.35
- Rotatable bonds: 4
- Ring count: 3
- Aromatic rings: 0
- Formal charge: 0
- Fraction Csp3: 0.71
- QED: 0.62

## Known Reference Result on This Endpoint
- Molecule A clean result: toxic label = 0
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type Activity; comment Non-Toxic

## Query Molecule B
- Canonical SMILES: C=C1CC[C@H](O)C[C@@H]1[C@H](C)C(=O)[C@H](O)C=C(C)C
- Properties:
- ChEMBL ID: CHEMBL5639932
- Molecular weight: 252.35
- Heavy atoms: 18
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 3
- TPSA: 57.53
- LogP: 2.24
- Rotatable bonds: 4
- Ring count: 1
- Aromatic rings: 0
- Formal charge: 0
- Fraction Csp3: 0.67
- QED: 0.75

## Molecule Similarity
- Weighted Tanimoto: 0.23

Answer: 0
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Inhibition
- Label type: binary
- Binary semantics: activity
- Assay description: Inhibition of HDAC in azole-resistant Candida albicans 0304103 assessed as reduction in CDR2 gene expression at 32 ug/ml after 16 hrs by SYBR Green-1 dye based RT-PCR analysis
- Assay organism: Candida albicans
- Target name: Unchecked
- Target type: UNCHECKED

## Reference Molecule A
- Canonical SMILES: CN(Cc1ccc(OCCCOc2ccc(CC(=O)NO)cc2)cc1)CC(O)(Cn1cncn1)c1ccc(F)cc1F
- Properties:
- ChEMBL ID: CHEMBL4562449
- Molecule type: Unknown
- Molecular weight: 581.62
- Heavy atoms: 42
- Hydrogen bond donors: 3
- Hydrogen bond acceptors: 8
- TPSA: 121.97
- LogP: 3.47
- Rotatable bonds: 15
- Ring count: 4
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.3
- QED: 0.11

## Known Reference Result on This Endpoint
- Molecule A clean result: activity label = 1
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type Inhibition; units %; comment Active

## Query Molecule B
- Canonical SMILES: CN(Cc1ccc(-n2cnn(CCCCc3ccc(C(=O)NO)cc3)c2=O)cc1)CC(O)(Cn1cncn1)c1ccc(F)cc1F
- Properties:
- ChEMBL ID: CHEMBL4546176
- Molecule type: Unknown
- Molecular weight: 632.67
- Heavy atoms: 46
- Hydrogen bond donors: 3
- Hydrogen bond acceptors: 8
- TPSA: 143.33
- LogP: 3.07
- Rotatable bonds: 14
- Ring count: 5
- Aromatic rings: 5
- Formal charge: 0
- Fraction Csp3: 0.28
- QED: 0.1

## Molecule Similarity
- Weighted Tanimoto: 0.59

Answer: 1
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: EC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Antiproliferative activity against human OVCAR-3 cells assessed as inhibition of cell proliferation measured after 120 hrs by Cell-titre glo assay
- Assay organism: Homo sapiens
- Assay cell type: OVCAR-3
- Target name: OVCAR-3
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CNC(=O)Nc1ccc2c(c1)CC[C@@]21OC(=O)N(CC(=O)N2Cc3ccc(F)cc3CC[C@H]2C2CC2)C1=O
- Properties:
- ChEMBL ID: CHEMBL4475351
- Molecule type: Unknown
- Molecular weight: 520.56
- Heavy atoms: 38
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 5
- TPSA: 108.05
- LogP: 3.45
- Rotatable bonds: 4
- Ring count: 6
- Aromatic rings: 2
- Formal charge: 0
- Fraction Csp3: 0.43
- QED: 0.64

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 7.04
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type EC50; relation =; value 90.4; units nM; pChEMBL 7.04

## Query Molecule B
- Canonical SMILES: CNC(=O)Nc1ccc2c(c1)CC[C@@]21OC(=O)N(CC(=O)N(Cc2ccc(F)cc2)[C@@H](C)C(F)(F)F)C1=O
- Properties:
- ChEMBL ID: CHEMBL4282264
- Preferred name: A-485
- Molecule type: Small molecule
- Molecular weight: 536.48
- Heavy atoms: 38
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 5
- TPSA: 108.05
- LogP: 3.68
- Rotatable bonds: 6
- Ring count: 4
- Aromatic rings: 2
- Formal charge: 0
- Fraction Csp3: 0.36
- QED: 0.55

## Molecule Similarity
- Weighted Tanimoto: 0.6

Answer: 5.26
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Inhibition of COX-2 (unknown origin)
- Assay organism: Homo sapiens
- Target name: Prostaglandin G/H synthase 2
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CS(=O)(=O)c1ccc(-c2cc(Br)sc2-c2ccc(F)cc2)cc1
- Properties:
- ChEMBL ID: CHEMBL42485
- Preferred name: DUP-697
- Molecule type: Small molecule
- Molecular weight: 411.32
- Heavy atoms: 23
- Hydrogen bond donors: 0
- Hydrogen bond acceptors: 3
- TPSA: 34.14
- LogP: 5.39
- Rotatable bonds: 3
- Ring count: 3
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.06
- QED: 0.58

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 7.85
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 14; units nM; pChEMBL 7.85

## Query Molecule B
- Canonical SMILES: Cc1cc(=O)c(Oc2ccc(F)cc2)c(-c2ccc(S(C)(=O)=O)cc2)o1
- Properties:
- ChEMBL ID: CHEMBL127084
- Molecule type: Small molecule
- Molecular weight: 374.39
- Heavy atoms: 26
- Hydrogen bond donors: 0
- Hydrogen bond acceptors: 5
- TPSA: 73.58
- LogP: 3.95
- Rotatable bonds: 4
- Ring count: 3
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.11
- QED: 0.69

## Molecule Similarity
- Weighted Tanimoto: 0.4

Answer: 6.01
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Ki
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Displacement of [3H]U-69593 from human recombinant kappa opioid receptor expressed in CHO cells
- Assay organism: Homo sapiens
- Assay cell type: CHO
- Target name: Kappa-type opioid receptor
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: COc1ccc2c(c1OC)[C@]13CCN(CC4CC4)[C@H](C2)[C@]1(O)Cc1c([nH]c2ccccc12)C3
- Properties:
- ChEMBL ID: CHEMBL400157
- Molecule type: Small molecule
- Molecular weight: 444.58
- Heavy atoms: 33
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 4
- TPSA: 57.72
- LogP: 3.99
- Rotatable bonds: 4
- Ring count: 7
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.5
- QED: 0.64

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 5.84
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type Ki; relation =; value 1440; units nM; pChEMBL 5.84

## Query Molecule B
- Canonical SMILES: COc1c(O)ccc2c1[C@]13CCN(CC4CC4)[C@H](C2)[C@]1(O)Cc1c([nH]c2ccccc12)C3
- Properties:
- ChEMBL ID: CHEMBL246002
- Molecule type: Small molecule
- Molecular weight: 430.55
- Heavy atoms: 32
- Hydrogen bond donors: 3
- Hydrogen bond acceptors: 4
- TPSA: 68.72
- LogP: 3.69
- Rotatable bonds: 3
- Ring count: 7
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.48
- QED: 0.59

## Molecule Similarity
- Weighted Tanimoto: 0.86

Answer: 7.1
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Agonist activity at delta opioid receptor in mouse vas deferens assessed as induction of electrically-stimulated muscle contraction
- Assay organism: Mus musculus
- Assay tissue: Vas deferens
- Target name: Delta-type opioid receptor
- Target type: SINGLE PROTEIN
- Target organism: Mus musculus

## Reference Molecule A
- Canonical SMILES: Cc1cc(O)cc(C)c1C[C@H](NC(=N)N)C(=O)N1Cc2ccccc2C[C@H]1CN[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1ccccc1)C(N)=O
- Properties:
- ChEMBL ID: CHEMBL3038185
- Molecule type: Small molecule
- Molecular weight: 689.86
- Heavy atoms: 51
- Hydrogen bond donors: 7
- Hydrogen bond acceptors: 6
- TPSA: 186.66
- LogP: 2.77
- Rotatable bonds: 14
- Ring count: 5
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.3
- QED: 0.08

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 9.12
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 0.75; units nM; pChEMBL 9.12

## Query Molecule B
- Canonical SMILES: Cc1cc(O)cc(C)c1C[C@H](NC(=N)N)C(=O)N1Cc2ccccc2C[C@H]1C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1ccccc1)C(N)=O
- Properties:
- ChEMBL ID: CHEMBL3038184
- Molecule type: Protein
- Molecular weight: 703.84
- Heavy atoms: 52
- Hydrogen bond donors: 7
- Hydrogen bond acceptors: 6
- TPSA: 203.73
- LogP: 2.3
- Rotatable bonds: 13
- Ring count: 5
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.28
- QED: 0.08

## Molecule Similarity
- Weighted Tanimoto: 0.79

Answer: 8.76
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Ki
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Displacement of [3H]DADLE from human recombinant delta opioid receptor expressed in CHO cell membranes after 2 hrs by liquid scintillation counting analysis
- Assay organism: Homo sapiens
- Assay cell type: CHO
- Target name: Delta-type opioid receptor
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CC[C@@]12CCN(C)C[C@@H]1Oc1ccc(O)cc12
- Properties:
- ChEMBL ID: CHEMBL430441
- Molecule type: Small molecule
- Molecular weight: 233.31
- Heavy atoms: 17
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 3
- TPSA: 32.7
- LogP: 2.14
- Rotatable bonds: 1
- Ring count: 3
- Aromatic rings: 1
- Formal charge: 0
- Fraction Csp3: 0.57
- QED: 0.81

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 6.67
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type Ki; relation =; value 212; units nM; pChEMBL 6.67

## Query Molecule B
- Canonical SMILES: CN1CC[C@@]2(CCCCc3ccccc3)c3cc(O)ccc3O[C@H]2C1
- Properties:
- ChEMBL ID: CHEMBL2386822
- Molecule type: Small molecule
- Molecular weight: 337.46
- Heavy atoms: 25
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 3
- TPSA: 32.7
- LogP: 4.14
- Rotatable bonds: 5
- Ring count: 4
- Aromatic rings: 2
- Formal charge: 0
- Fraction Csp3: 0.45
- QED: 0.83

## Molecule Similarity
- Weighted Tanimoto: 0.68

Answer: 7.54
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: FLIPR Ca2+ Flux Assay: For intracellular calcium measurements, Chinese hamster ovary (CHO) cells expressing the rat orexin-1 receptor or the human orexin-2 receptor, are grown in Iscove's modified DMEM containing 2 mM L-glutamine, 0.5 g/ml G418, 1% hypoxanthine-thymidine supplement, 100 U/ml penicillin, 100 μg/ml streptomycin and 10% heat-inactivated fetal calf serum (FCS). The cells are seeded at 20,000 cells/well into Becton-Dickinson black 384-well clear bottom sterile plates coated with poly-D-lysine. All reagents were from GIBCO-Invitrogen Corp. The seeded plates are incubated overnight at 37° C. and 5% CO2. Ala-6,12 human orexin-A as the agonist is prepared as a 1 mM stock solution in 1% bovine serum albumin (BSA) and diluted in assay buffer (HBSS containing 20 mM HEPES, 0.1% BSA and 2.5 mM probenecid, pH7.4) for use in the assay at a final concentration of 70 pM. Test compounds are prepared as 10 mM stock solution in DMSO, then diluted in 384-well plates, first in DMSO, then assay buffer. On the day of the assay, cells are washed 3 times with 100 μl assay buffer and then incubated for 60 min (37° C., 5% CO2) in 60 μl assay buffer containing 1 μM Fluo-4AM ester, 0.02% pluronic acid, and 1% BSA. The dye loading solution is then aspirated and cells are washed 3 times with 100 μl assay buffer. 30 μl of that same buffer is left in each well. Within the Fluorescent Imaging Plate Reader (FLIPR, Molecular Devices), test compounds are added to the plate in a volume of 25 μl, incubated for 5 min and finally 25 μl of agonist is added.
- Assay organism: Homo sapiens
- Target name: Orexin receptor type 2
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: Cc1oc([C@@H]2CC[C@@H](C)N(C(=O)c3cnsc3-n3nccn3)C2)nc1C(C)(C)O
- Properties:
- ChEMBL ID: CHEMBL5746793
- Molecular weight: 416.51
- Heavy atoms: 29
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 8
- TPSA: 110.17
- LogP: 2.66
- Rotatable bonds: 4
- Ring count: 4
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.53
- QED: 0.7

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 6.94
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 114; units nM; pChEMBL 6.94; comment 712833

## Query Molecule B
- Canonical SMILES: C[C@@H]1CC[C@@H](c2nc(CC(C)(C)O)c(-c3ccccc3)o2)CN1C(=O)c1ccccc1-n1nccn1
- Properties:
- ChEMBL ID: CHEMBL5804344
- Molecular weight: 485.59
- Heavy atoms: 36
- Hydrogen bond donors: 1
- Hydrogen bond acceptors: 6
- TPSA: 97.28
- LogP: 4.64
- Rotatable bonds: 6
- Ring count: 5
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.36
- QED: 0.43

## Molecule Similarity
- Weighted Tanimoto: 0.49

Answer: 7.21
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Inhibition of VEGFR2 (unknown origin) incubated for 10 mins using FAM-labeled peptide and ATP by mobility shift assay
- Assay organism: Homo sapiens
- Target name: Vascular endothelial growth factor receptor 2
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CN[C@@H]1C[C@H]2O[C@@](C)([C@@H]1OC)n1c3ccccc3c3c4c(c5c6ccccc6n2c5c31)C(=O)NC4
- Properties:
- ChEMBL ID: CHEMBL388978
- Preferred name: STAUROSPORINE
- Molecule type: Small molecule
- Molecular weight: 466.54
- Heavy atoms: 35
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 4
- TPSA: 69.45
- LogP: 4.35
- Rotatable bonds: 2
- Ring count: 8
- Aromatic rings: 5
- Formal charge: 0
- Fraction Csp3: 0.32
- QED: 0.41

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 7.14
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 72; units nM; pChEMBL 7.14

## Query Molecule B
- Canonical SMILES: CNC(=O)c1cc(Oc2ccc(NC(=O)Nc3ccc(Cl)c(C(F)(F)F)c3)cc2)ccn1
- Properties:
- ChEMBL ID: CHEMBL1336
- Preferred name: SORAFENIB
- Molecule type: Small molecule
- Max clinical phase: 4
- Molecular weight: 464.83
- Heavy atoms: 32
- Hydrogen bond donors: 3
- Hydrogen bond acceptors: 4
- TPSA: 92.35
- LogP: 5.55
- Rotatable bonds: 5
- Ring count: 3
- Aromatic rings: 3
- Formal charge: 0
- Fraction Csp3: 0.1
- QED: 0.46

## Molecule Similarity
- Weighted Tanimoto: 0.09

Answer: 6.77
## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Antiproliferative activity against human MOLT-4 cells assessed as reduction in cell growth incubated for 72 hrs by MTT assay
- Assay organism: Homo sapiens
- Assay cell type: MOLT-4
- Target name: MOLT-4
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: COc1cc(N2CCN(C)CC2)ccc1Nc1ncc2c(n1)-n1ccc(C(=O)Nc3c(C)cccc3C)c1CC2
- Properties:
- ChEMBL ID: CHEMBL5598452
- Molecular weight: 537.67
- Heavy atoms: 40
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 7
- TPSA: 87.55
- LogP: 4.74
- Rotatable bonds: 6
- Ring count: 6
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.32
- QED: 0.37

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 7.96
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 11; units nM; pChEMBL 7.96

## Query Molecule B
- Canonical SMILES: COc1cc(N2CCN(C)CC2)ccc1Nc1ncc2c(n1)-n1ccc(C(=O)Nc3c(C)cccc3F)c1CC2
- Properties:
- ChEMBL ID: CHEMBL5596231
- Molecular weight: 541.63
- Heavy atoms: 40
- Hydrogen bond donors: 2
- Hydrogen bond acceptors: 7
- TPSA: 87.55
- LogP: 4.57
- Rotatable bonds: 6
- Ring count: 6
- Aromatic rings: 4
- Formal charge: 0
- Fraction Csp3: 0.3
- QED: 0.37

## Molecule Similarity
- Weighted Tanimoto: 0.91

Answer: 7.96