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, c, or d without using any other words.
Options:
a. Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1
b. COc1ccc(CN2CCNCC2)c(OC)c1OC
c. CCC1(c2ccccc2)C(=O)NC(=O)NC1=O
d. COc1ccc(CN(CCN(C)C)c2ccccn2)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}