## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: EC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Agonist activity at human Y1R expressed in myo-[2-3H]-inositol labelled African green monkey COS7 cells coexpressing chimeric Galphadelta6qi4myr protein assessed as accumulation of [2-3H]-IP after 1 hr by scintillation counting analysis
- Assay organism: Homo sapiens
- Assay cell type: COS7
- Target name: Neuropeptide Y receptor type 1
- Target type: SINGLE PROTEIN
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)[C@H](CCCCNC(=O)CNC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)c1ccc(N(C)Cc2cnc3nc(N)nc(N)c3n2)cc1)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@H](C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)CNC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)O)[C@@H](C)O)[C@@H](C)CC
- Properties:
- ChEMBL ID: CHEMBL5277749
- Molecular weight: 5108.73
- Heavy atoms: 365
- Hydrogen bond donors: 68
- Hydrogen bond acceptors: 70
- TPSA: 2030.11
- LogP: -12.65
- Rotatable bonds: 152
- Ring count: 16
- Aromatic rings: 11
- Formal charge: 0
- Fraction Csp3: 0.54
- QED: 0.01

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 8.51
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type EC50; relation =; value 3.16; units nM; pChEMBL 8.5
- type EC50; relation =; value 3; units nM; pChEMBL 8.52

## Query Molecule B
- Canonical SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)[C@H](CCCCNC(=O)[C@H](CCC(=O)O)NC(=O)c1ccc(N(C)Cc2cnc3nc(N)nc(N)c3n2)cc1)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@H](C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)CNC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)O)[C@@H](C)O)[C@@H](C)CC
- Properties:
- ChEMBL ID: CHEMBL5270985
- Molecular weight: 4734.29
- Heavy atoms: 338
- Hydrogen bond donors: 64
- Hydrogen bond acceptors: 66
- TPSA: 1913.71
- LogP: -12.14
- Rotatable bonds: 140
- Ring count: 15
- Aromatic rings: 10
- Formal charge: 0
- Fraction Csp3: 0.54
- QED: 0.01

## Molecule Similarity
- Weighted Tanimoto: 0.98

Answer: 8.52