Task: Answer the MCQ question.
Question: Which compound has a -4.470\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(NCCC(=O)N1CCCC(C(F)(F)F)C1)c1ccc(Br)cc1
(b) O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccccc1-n1cccc1
(c) Cc1ccc(/C(O)=C2\C(=O)C(=O)N(CC(C)O)C2c2ccccn2)cc1
Answer: b. O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccccc1-n1cccc1
{#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(NNS(=O)(=O)c1ccc(Br)cc1)c1ccccc1-n1cccc1
O=C(NNS(=O)(=O)c1ccc(Br)cc1)c1ccccc1-n1cccc1
N'-(4-bromophenyl)sulfonyl-2-pyrrol-1-ylbenzohydrazide