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] c1ccc2[nH]c(-c3cscn3)nc2c1
[b] Cc1nccn1C[C@H]1CCc2c(c3ccccc3n2C)C1=O
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}