Task: Please answer the multiple choice question.
Question: Which molecules are a substrate for CYP P450 3A4?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CNS(=O)(=O)Cc1ccc2[nH]cc(CCCN3CCN(c4ncncc4OC)CC3)c2c1
b. CCC(C)(C)NC[C@H](O)COc1ccccc1C(=O)CCc1ccccc1
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}