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, b, or c without using any additional words.
Options:
[a] Clc1ccccc1CN1CCc2sccc2C1
[b] C[C@H]1O[C@]2(CS1)CN1CCC2CC1
[c] OCCOCCN1CCN(C2=Nc3ccccc3Sc3ccccc32)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}