Task: Please answer the multiple choice question.
Question: Which molecules are not a CYP P450 2D6 substrate?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
[b] C[C@H](CN(C)C)CN1c2ccccc2S(=O)(=O)c2ccccc21
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2D6_Substrate#not &NULL}a {CYP2D6_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%CYP2D6_Substrate%}
Answer: {%multiple_choice_result}
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione