Task: Please answer the multiple choice question.
Question: Which molecules are metabolized by CYP2C9?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1cccc(Nc2ccccc2C(=O)O)c1C
b) CCC[C@@H](C)C1(CC)C(=O)NC(=O)NC1=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}