Task: Please answer the multiple choice question.
Question: Which molecules are a CYP2C9 substrate?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cc1ncc([N+](=O)[O-])n1CCO
(b) CC(C)(C(=O)c1cccnc1)c1cccnc1
(c) Cc1cccc(Nc2ccccc2C(=O)O)c1C
(d) OCCN1CCN(CCCN2c3ccccc3C=Cc3ccccc32)CC1
Answer: a, c
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}