User: Is the molecule with the SMILES Cn1c(=O)c2c(ncn2C)n(C)c1=O metabolized by CYP P450 2C9?
Assistant: Yes, it is a substrate for CYP2C9.
User: Is the molecule with the {SMILES__description} {SMILES#} {CYP2C9_Substrate__names__verb}?
Assistant: {CYP2C9_Substrate#No&Yes}, it is {CYP2C9_Substrate#not &NULL}a {CYP2C9_Substrate__names__noun}.
1,3,7-trimethylpurine-2,6-dione