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, b, c, or d without using any other words.
Options:
a: FC(F)(F)[C@H](Cl)Br
b: CCO
c: Oc1nc2cc(Cl)ccc2o1
d: CN1CCN(CCCCN2C(=O)CN(/N=C\c3ccc(-c4ccc(Cl)cc4)o3)C2=O)CC1
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}