Task: Please answer the multiple choice question.
Question: Which molecules are a substrate for CYP P450 2D6?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC(=O)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
[b] CC1=C(/C=C\C(C)=C/C=C\C(C)=C/C(=O)O)C(C)(C)CCC1
Answer: a
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}