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 or b without using any additional words.
Options:
a CC[C@H](C)C(=O)O[C@H]1CCC=C2C=C[C@H](C)[C@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@H]21
b CC(C)(C)NC[C@H](O)COc1ccccc1C1CCCC1
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}