Task: Please answer the multiple choice question.
Question: Which molecules are not a CYP2C9 substrate?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12
(b) Cn1ccnc1S
(c) O=C(O)COc1ccc(C(=O)c2cccs2)c(Cl)c1Cl
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}