Task: Answer the multiple-choice question.
Question: Which drug exhibits a 11.905\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1ccc(C2(c3ccccc3)NC(=O)N(CC(=O)NCc3ccco3)C2=O)cc1C
(b) CCOC(=O)N1CCN(C(=O)CCS(=O)(=O)c2ccc(Br)s2)CC1
Answer: b. CCOC(=O)N1CCN(C(=O)CCS(=O)(=O)c2ccc(Br)s2)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#}
CCOC(=O)N1CCN(C(=O)CCS(=O)(=O)c2ccc(Br)s2)CC1
CCOC(=O)N1CCN(C(=O)CCS(=O)(=O)c2ccc(Br)s2)CC1
ethyl4-[3-(5-bromothiophen-2-yl)sulfonylpropanoyl]piperazine-1-carboxylate