Task: Please answer the multiple choice question.
Question: Which molecules are not a CYP P450 2D6 substrate?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) Fc1ccc(Cn2c(NC3CCNCC3)nc3ccccc32)cc1
b.) CC(C)(C)c1ccc([C@H](O)CCCN2CCC(C(O)(c3ccccc3)c3ccccc3)CC2)cc1
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}