Task: Please answer the multiple choice question.
Question: Which molecules are a substrate for CYP2D6?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CN1C(=O)C[C@@H](c2ccccc2)C1=O
b Cc1onc(-c2ccccc2)c1-c1ccc(S(N)(=O)=O)cc1
c CN1C(=O)OC(C)(C)C1=O
Answer: b
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}