Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP2D6?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(C)NC[C@@H]1CCc2cc(CO)c([N+](=O)[O-])cc2N1
[b] CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCNCC3)nc21
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}