Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CCOC(=O)C1=C(C)N=C2SCCC(=O)N2C1c1cc(Br)ccc1OC?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) 6.943
(b) 18.498
(c) 4.217
Answer: c. 4.217\%.
{#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)C1=C(C)N=C2SCCC(=O)N2C1c1cc(Br)ccc1OC
CCOC(=O)C1=C(C)N=C2SCCC(=O)N2C1c1cc(Br)ccc1OC
ethyl 6-(5-bromo-2-methoxyphenyl)-8-methyl-4-oxo-3,6-dihydro-2H-pyrimido[2,1-b][1,3]thiazine-7-carboxylate