Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 2.134\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(NC1=NCCS1)NC12CC3CC(CC(C3)C1)C2
[b] COc1ccccc1NS(=O)(=O)c1ccc(OC)c(OC)c1
[c] CCN(CC)c1cc(C)nc2ncnn12
Answer: b. COc1ccccc1NS(=O)(=O)c1ccc(OC)c(OC)c1
{#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#}
COc1ccccc1NS(=O)(=O)c1ccc(OC)c(OC)c1
COc1ccccc1NS(=O)(=O)c1ccc(OC)c(OC)c1
3,4-dimethoxy-N-(2-methoxyphenyl)benzenesulfonamide