Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 12.158\% 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 additional words.
Options:
(a) CC(C)C(NC(=O)C1CCC(C(C)(C)C)CC1)C(=O)NCCCN1CCCCC1
(b) O=C1CCCN1c1ccc(Br)cc1
(c) O=[N+]([O-])c1ccccc1N/N=C1\CC2CC=CC12
(d) Cc1ccc(OCc2cc(C(=O)NC(C)Cc3cccc(C)n3)no2)cn1
(e) COc1cc(NC(=S)Nc2cccc(Cl)c2Cl)c(OC)cc1Cl
Answer: b. O=C1CCCN1c1ccc(Br)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=C1CCCN1c1ccc(Br)cc1
O=C1CCCN1c1ccc(Br)cc1
1-(4-bromophenyl)pyrrolidin-2-one