Task: Please answer the multiple choice question.
Question: Which molecules are not a substrate for CYP2C9?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Clc1cccc([C@H](c2ccc3nc[nH]c3c2)n2ccnc2)c1
(b) CNC(=O)c1cccc(NCC(=O)NCCc2ccc(OC)c(OC)c2)c1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_Substrate#not &NULL}a {CYP2C9_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%CYP2C9_Substrate%}
Answer: {%multiple_choice_result}