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. O=C(O)c1ccccc1Nc1cccc(C(F)(F)F)c1
b. 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
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}