Task: Please answer the multiple choice question.
Question: Which molecules are a CYP2D6 substrate?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCCSc1ccc2nc(NC(=O)OC)[nH]c2c1
[b] Cc1nnc(NS(=O)(=O)c2ccc(N)cc2)s1
[c] N=C(N)c1ccc(OCCCCCOc2ccc(C(=N)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}