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) CCC1(c2ccccc2)C(=O)NC(=O)NC1=O
(b) CCc1ccc(CCOc2ccc(C[C@@H]3SC(=O)NC3=O)cc2)nc1
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}