Task: Answer the multiple choice question.
Query: Which compound has a 3.794\% 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. COc1cc(C(=O)CSc2nncn2C)cc(OC)c1OC
b. O=C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])c(NCC3CCCO3)c2)CC1
Answer: a. COc1cc(C(=O)CSc2nncn2C)cc(OC)c1OC
{#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#}
COc1cc(C(=O)CSc2nncn2C)cc(OC)c1OC
COc1cc(C(=O)CSc2nncn2C)cc(OC)c1OC
2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]-1-(3,4,5-trimethoxyphenyl)ethanone