Task: Answer the multiple choice question.
Query: Which compound exhibits a -21.830\% 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(Nc1ccccc1)C1CC(=O)n2ncnc2N1
(b) CCCCC/C(=N/O)c1c(C)[nH]c2ccccc12
(c) COc1ccc(/C=N/Nc2nc(-c3cccnc3)nc3ccccc23)c(OC)c1
(d) CC(C)C(=O)NC(=S)Nc1ccc(S(=O)(=O)N2CCN(C)CC2)cc1
(e) O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1
Answer: e. O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)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(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1
O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1
[4-(2-bromophenyl)sulfonylpiperazin-1-yl]-[3-nitro-4-(1,2,4-triazol-1-yl)phenyl]methanone