## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: Activity
- Label type: binary
- Binary semantics: toxic
- Assay description: Cytotoxicity against human T47D cells assessed as effect on cellular morphology
- Assay organism: Homo sapiens
- Assay cell type: T47D
- Target name: T47D
- Target type: CELL-LINE
- Target organism: Homo sapiens

## Reference Molecule A
- Canonical SMILES: Cc1cn(CC(=O)N(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN(CCNC(=O)CN)C(=O)Cn2ccc(=O)[nH]c2=O)C(=O)Cn2cnc3c(=O)[nH]c(N)nc32)C(=O)Cn2ccc(=O)[nH]c2=O)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2ccc(=O)[nH]c2=O)C(=O)Cn2cnc3c(=O)[nH]c(N)nc32)C(=O)Cn2cnc3c(=O)[nH]c(N)nc32)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2cnc3c(N)ncnc32)C(=O)Cn2cnc3c(=O)[nH]c(N)nc32)C(=O)Cn2ccc(=O)[nH]c2=O)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2cnc3c(N)ncnc32)C(=O)Cn2ccc(N)nc2=O)C(=O)Cn2cnc3c(N)ncnc32)C(=O)Cn2cnc3c(=O)[nH]c(N)nc32)C(=O)Cn2ccc(N)nc2=O)CC(=O)NCCN(CC(=O)NCC(=O)O)C(=O)Cn2cc(C)c(=O)[nH]c2=O)c(=O)[nH]c1=O
- Properties:
- ChEMBL ID: CHEMBL1253229
- Molecule type: Small molecule
- Molecular weight: 5714.45
- Heavy atoms: 410
- Hydrogen bond donors: 50
- Hydrogen bond acceptors: 110
- TPSA: 2542.37
- LogP: -48.38
- Rotatable bonds: 150
- Ring count: 29
- Aromatic rings: 29
- Formal charge: 0
- Fraction Csp3: 0.39
- QED: 0.02

## 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: Cc1cn([C@H]2C[C@H](OP(=O)(O)OC[C@H]3O[C@@H](n4cc(C)c(=O)[nH]c4=O)C[C@@H]3O)[C@@H](COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4cnc5c(N)ncnc54)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4cnc5c(N)ncnc54)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(=O)[nH]c4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4cnc5c(=O)[nH]c(N)nc54)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4cnc5c(N)ncnc54)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4cnc5c(=O)[nH]c(N)nc54)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(=O)[nH]c4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(=O)[nH]c4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(N)nc4=O)O[C@@H]3COP(=O)(O)O[C@H]3[C@@H](O)[C@H](n4ccc(=O)[nH]c4=O)O[C@@H]3CO)O2)c(=O)[nH]c1=O
- Properties:
- ChEMBL ID: CHEMBL1253224
- Molecule type: Small molecule
- Molecular weight: 6500.97
- Heavy atoms: 429
- Hydrogen bond donors: 64
- Hydrogen bond acceptors: 164
- TPSA: 3060.16
- LogP: -28.13
- Rotatable bonds: 122
- Ring count: 47
- Aromatic rings: 26
- Formal charge: 0
- Fraction Csp3: 0.55
- QED: 0.02

## Molecule Similarity
- Weighted Tanimoto: 0.39

Answer: 0