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.) CCC1(c2ccccc2)C(=O)NCNC1=O
b.) CC(C)(O)c1ccccc1CC[C@@H](SCC1(CC(=O)O)CC1)c1cccc(/C=C\c2ccc3ccc(Cl)cc3n2)c1
Answer: a
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}
5-ethyl-5-phenyl-1,3-diazinane-4,6-dione