Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP2C9?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
[b] CC(=O)NC[C@H]1CN(c2ccc(N3CCOCC3)c(F)c2)C(=O)O1
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}
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione