Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP3A4?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a N=C(N)N1CCc2ccccc2C1
b COc1cc2c(c(OC)c1OC)-c1ccc(OC)c(=O)cc1[C@@H](NC(C)=O)CC2
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}