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) CN1CCC(=C2c3ccccc3CCc3cccnc32)CC1
b) Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1
Answer: a
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}