Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.438\% 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) COC(=O)c1cc(Br)ccc1NC(=O)CSCc1c(C)noc1C
(b) CCOC(=O)c1sc(NC(=O)C2CC(=O)N(c3ccc(OC)cc3)C2)nc1C
Answer: a. COC(=O)c1cc(Br)ccc1NC(=O)CSCc1c(C)noc1C
{#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#}
COC(=O)c1cc(Br)ccc1NC(=O)CSCc1c(C)noc1C
COC(=O)c1cc(Br)ccc1NC(=O)CSCc1c(C)noc1C
methyl 5-bromo-2-[[2-[(3,5-dimethyl-1,2-oxazol-4-yl)methylsulfanyl]acetyl]amino]benzoate