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, c, or d without using any additional words.
Options:
a COc1cc(Br)c2oc(C3CCNCC3)cc2c1
b CCC1=C(C)CN(C(=O)NCCc2ccc(S(=O)(=O)NC(=O)NC3CCC(C)CC3)cc2)C1=O
c C[C@H]1O[C@]2(CS1)CN1CCC2CC1
d Nc1ccc(S(=O)(=O)Nc2ccccn2)cc1
Answer: a, c
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}