Task: Please answer the multiple choice question.
Question: Which molecules are not 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) Cc1ncc2n1-c1ccc(Cl)cc1C(c1ccccc1F)=NC2
b) COc1cc2c(cc1OC)C(=O)[C@H](CC1CCN(Cc3ccccc3)CC1)C2
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}