Task: Please answer the multiple choice question.
Question: Which molecules are not metabolized by CYP2C9?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1onc(-c2ccccc2)c1-c1ccc(S(N)(=O)=O)cc1
b: CCOCCn1c(N2CCCN(C)CC2)nc2ccccc21
c: Cc1cc(=O)n(-c2ccccc2)n1C
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}