Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP P450 2D6?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@@]21CC
b. CCOCc1nc2c(N)nc3ccccc3c2n1CC(C)(C)O
Answer: a, 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}