Task: Please answer the multiple choice question.
Question: Which molecules are a CYP P450 2C9 substrate?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(C)C[C@H](N(C)C)C1(c2ccc(Cl)cc2)CCC1
b O=c1oc2ccccc2c(O)c1Cc1c(O)c2ccccc2oc1=O
Answer: 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}
4-hydroxy-3-[(4-hydroxy-2-oxochromen-3-yl)methyl]chromen-2-one