Task: Please answer the multiple choice question.
Question: Which molecules are metabolized by CYP P450 2D6?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCN(CC)C(=O)N[C@H]1C[C@@H]2c3cccc4[nH]cc(c34)C[C@H]2N(C)C1
(b) CC[C@]1(C)CC(=O)NC1=O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2D6_Substrate#not &NULL}{CYP2D6_Substrate__names__verb}?
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}