Task: Please answer the multiple choice question.
Question: Which molecules are a CYP P450 3A4 substrate?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COCCOC(=O)C1=C(C)NC(C)=C(C(=O)OC/C=C/c2ccccc2)[C@H]1c1cccc([N+](=O)[O-])c1
b) Fc1ccc([C@@H]2CCNC[C@H]2COc2ccc3c(c2)OCO3)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP3A4_Substrate#not &NULL}a {CYP3A4_Substrate__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%CYP3A4_Substrate%}
Answer: {%multiple_choice_result}