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: COC(=O)C1=C(C)NC(C)=C(C(=O)OCC(C)C)[C@H]1c1ccccc1[N+](=O)[O-]
b: CC(C)CN(C[C@@H](O)[C@H](Cc1ccccc1)NC(=O)O[C@H]1CCOC1)S(=O)(=O)c1ccc(N)cc1
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}