Task: Please answer the multiple choice question.
Question: Which molecules are metabolized by CYP P450 2C9?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CN1C(=O)CC[C@H]1c1cccnc1
(b) CCCc1nn(C)c2c(=O)nc(-c3cc(S(=O)(=O)N4CCN(C)CC4)ccc3OCC)[nH]c12
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_Substrate#not &NULL}{CYP2C9_Substrate__names__verb}?
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}