Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP2D6?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CC(=O)C[C@@H](c1ccc([N+](=O)[O-])cc1)c1c(O)c2ccccc2oc1=O
(b) CN(CCOc1ccc(NS(C)(=O)=O)cc1)CCc1ccc(NS(C)(=O)=O)cc1
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}