Task: Please answer the multiple choice question.
Question: Which molecules are not metabolized by CYP2C9?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] NC1=NC[C@@H]2c3ccccc3Cc3ccccc3N12
[b] COCc1c(C(C)C)nc(C(C)C)c(/C=C\[C@@H](O)C[C@@H](O)CC(=O)O)c1-c1ccc(F)cc1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_Substrate#not &NULL}{CYP2C9_Substrate__names__verb}?
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}