Task: Please answer the multiple choice question.
Question: Which molecules are not a CYP2C9 substrate?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
b. COC(=O)C1=C(C)NC(C)=C(C(=O)O[C@H]2CCN(Cc3ccccc3)C2)[C@H]1c1cccc([N+](=O)[O-])c1
c. Cc1cccc(Nc2ccncc2S(=O)(=O)NC(=O)NC(C)C)c1
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}