Task: Answer the MCQ question.
Query: Which drug exhibits a 12.488\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: O=C(Nc1nc(-c2ccccn2)cs1)c1cc(Cl)ccc1[N+](=O)[O-]
b: C=CCOC(=O)C1=C[C@@H](c2cn(C(C)=O)c3ccccc23)C[C@@H](OCc2ccc(CO)cc2)O1
c: CN(C)C(=O)CCc1nc2sc3c(c2c(=O)[nH]1)CCCC3
d: Cl.N=c1sccn1Cc1ccc(Cl)cc1Cl
e: Cc1cc(Cn2nc(-c3ccccc3)cc2C(=O)NCc2cccc(C(F)(F)F)c2)on1
Answer: a. O=C(Nc1nc(-c2ccccn2)cs1)c1cc(Cl)ccc1[N+](=O)[O-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1nc(-c2ccccn2)cs1)c1cc(Cl)ccc1[N+](=O)[O-]
O=C(Nc1nc(-c2ccccn2)cs1)c1cc(Cl)ccc1[N+](=O)[O-]
5-chloro-2-nitro-N-(4-pyridin-2-yl-1,3-thiazol-2-yl)benzamide