Task: Please answer the multiple choice question.
Question: Which molecules are inhibiting CYP2C9?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(c1ccccc1)c1ccc2nc(-c3ccc(NC(=O)c4ccccc4Br)cc3)[nH]c2c1
b: CCOc1[nH]n(-c2ccccc2)c(=O)c1C=Nc1ccc(Cl)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2C9_inhibition#not &NULL}{CYP2C9_inhibition__names__gerund}?
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_inhibition%}
Answer: {%multiple_choice_result}