Task: Please answer the multiple choice question.
Question: Which molecules are a CYP P450 2C9 substrate?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCn1cc(C(=O)O)c(=O)c2cnc(N3CCNCC3)nc21
b) CCCSc1ccc2nc(NC(=O)OC)[nH]c2c1
Answer: 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}