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 COc1cc(NCc2ccc3nc(N)nc(N)c3c2C)cc(OC)c1OC
b CC(=O)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
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}