Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP P450 2C9?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) NC1=NC[C@@H]2c3ccccc3Cc3ccccc3N12
b.) O=C1CN=C(c2ccccc2)c2cc(Cl)ccc2N1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_Substrate#not &NULL}a {CYP2C9_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%CYP2C9_Substrate%}
Answer: {%multiple_choice_result}