Task: Please answer the multiple choice question.
Question: Which molecules are not a CYP3A4 substrate?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC[C@H]1CN2CC[C@H]1C[C@@H]2[C@@H](O)c1ccnc2ccc(OC)cc12
b Fc1ccc(Cn2c(NC3CCNCC3)nc3ccccc32)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}