Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES CCOC(=O)c1sc(=S)n(C)c1NC(=O)c1cccc(Br)c1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
(a) 12.943
(b) 4.178
(c) -1.540
(d) 3.052
Answer: a. 12.943\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CCOC(=O)c1sc(=S)n(C)c1NC(=O)c1cccc(Br)c1
CCOC(=O)c1sc(=S)n(C)c1NC(=O)c1cccc(Br)c1
ethyl 4-[(3-bromobenzoyl)amino]-3-methyl-2-sulfanylidene-1,3-thiazole-5-carboxylate