Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES Cn1c(=O)c2c(ncn2C)n(C)c1=O metabolized by CYP P450 2C9?
Constraint: Even if you are not sure, you must pick either a or b without using any other words.
Options:
(a) True
(b) False
Answer: a
Task: Please answer the multiple choice question.
Question: Is the molecule with the {SMILES__description} {#representation of |!}{SMILES#} {CYP2C9_Substrate__names__verb}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2%aA1} without using any {#other|additional!} words.
Options:
{CYP2C9_Substrate%}
Answer: {%multiple_choice_result}
1,3,7-trimethylpurine-2,6-dione