The molecule with the SMILES Cc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2 is not a CYP P450 2C9 substrate.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {CYP2C9_Substrate#not &NULL}a {CYP2C9_Substrate__names__noun}.