Task: Answer the multiple-choice question.
Query: Which compound exhibits a -5.461\% 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) CCN(Cc1ccncc1)C(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
(b) CCOc1ccc(OCc2cccc(C(=O)N3CCOCC3)c2)cc1
(c) COc1ccc(N2CCN(C(=O)c3ccccc3Br)CC2)c([N+](=O)[O-])c1
(d) COc1ccc(Nc2nc(N)nc(CN3CCOCC3)n2)cc1
Answer: c. COc1ccc(N2CCN(C(=O)c3ccccc3Br)CC2)c([N+](=O)[O-])c1
{#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#}
(2-bromophenyl)-[4-(4-methoxy-2-nitrophenyl)piperazin-1-yl]methanone