User: I'm looking for the SMILES of a molecule that is not metabolized by CYP3A4?
Assistant: This is a molecule that is not a substrate for CYP P450 3A4: COC(=O)N[C@H](C(=O)N[C@@H](Cc1ccccc1)[C@H](O)CN(Cc1ccc(-c2ccccn2)cc1)NC(=O)[C@H](NC(=O)OC)C(C)(C)C)C(C)(C)C
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#}