User: I'm searching for the SMILES of a molecule that is not metabolized by CYP P450 3A4?
Assistant: This is a molecule that is not a CYP3A4 substrate: CN1CCN(c2cc3c(cc2F)c(=O)c(C(=O)O)cn3-c2ccc(F)cc2)CC1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {CYP3A4_Substrate#not &NULL}{CYP3A4_Substrate__names__verb}?
Assistant: This is a molecule that is {CYP3A4_Substrate#not &NULL}a {CYP3A4_Substrate__names__noun}: {SMILES#}