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, d, or e without using any additional words.
Options:
a. Cn1c(=O)c2c(ncn2C)n(C)c1=O
b. Cc1ccsc1C(=CCCN1CCC[C@@H](C(=O)O)C1)c1sccc1C
c. O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2ncccn2)CC1
d. CC(C)c1nc(CN(C)C(=O)N[C@H](C(=O)N[C@@H](Cc2ccccc2)C[C@H](O)[C@H](Cc2ccccc2)NC(=O)OCc2cncs2)C(C)C)cs1
e. O=[N+]([O-])O[C@H]1CO[C@H]2[C@@H]1OC[C@H]2O[N+](=O)[O-]
Answer: a, d
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}
1,3,7-trimethylpurine-2,6-dione