Task: Please answer the multiple choice question.
Question: Which molecules are metabolized by CYP2C9?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] OCCN1CCN(CCCN2c3ccccc3Sc3ccc(Cl)cc32)CC1
[b] O=C1CN(/N=C\c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)C(=O)N1
Answer: a
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}