Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.178\% human ether-à-go-go related gene (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 other words.
Options:
(a) Cc1ccc(S(=O)(=O)CCC(=O)OCC(=O)c2ccc(C)c(C)c2)cc1
(b) CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)NC(=O)c4ccccc4Br)CC3)cc21
(c) CCOC(=O)Cc1cnc(N)s1
(d) COc1cc([N+](=O)[O-])ccc1NC(=O)NCc1cccnc1
Answer: b. CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)NC(=O)c4ccccc4Br)CC3)cc21
{#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#}
CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)NC(=O)c4ccccc4Br)CC3)cc21
CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)NC(=O)c4ccccc4Br)CC3)cc21
7-[4-[(2-bromobenzoyl)carbamothioyl]piperazin-1-yl]-1-ethyl-6-fluoro-4-oxoquinoline-3-carboxylic acid