Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.507\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C1COc2ccc(C(=O)COC(=O)CCSc3ccccc3)cc2N1
b: CCN(CC)C(=O)CSc1nc2c(sc(=S)n2-c2ccccc2)c(=O)n1-c1ccc(OC)c(OC)c1
c: Cc1ccc(SC(=O)c2sc(C)nc2C(F)(F)F)cc1
d: O=C(COc1ccccc1[N+](=O)[O-])N1CCN(c2ccccn2)CC1
Answer: d. O=C(COc1ccccc1[N+](=O)[O-])N1CCN(c2ccccn2)CC1
{#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(COc1ccccc1[N+](=O)[O-])N1CCN(c2ccccn2)CC1
O=C(COc1ccccc1[N+](=O)[O-])N1CCN(c2ccccn2)CC1
2-(2-nitrophenoxy)-1-(4-pyridin-2-ylpiperazin-1-yl)ethanone