Task: Please answer the multiple choice question.
Question: Which molecules are 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 FC(F)(F)[C@H](Cl)Br
b Cc1noc(NS(=O)(=O)c2ccc(N)cc2)c1C
c C[C@@H]1CO[C@]2(c3ccccc3Cl)c3cc(Cl)ccc3NC(=O)CN12
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}