Task: Please answer the multiple choice question.
Question: Which molecules are a CYP2C9 substrate?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(C(C)C)cc1CN[C@H]1C2CCN(CC2)[C@H]1C(c1ccccc1)c1ccccc1
b) O=C(O)COc1ccc(C(=O)c2cccs2)c(Cl)c1Cl
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_Substrate#not &NULL}a {CYP2C9_Substrate__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%CYP2C9_Substrate%}
Answer: {%multiple_choice_result}