Task: Please answer the multiple choice question.
Question: Which molecules are 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 O=C(O)Cc1ccccc1Nc1c(Cl)cccc1Cl
b COc1ccc(CCN(C)CCC[C@@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
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}