Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -10.213\% 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, c, or d without using any other words.
Options:
[a] Cc1ccc(C)c(S(=O)(=O)Nc2ccc3sc(C)nc3c2)c1
[b] CCOn1c(=O)c(-c2cccs2)[n+]([O-])c2ccccc21
[c] Cc1cccc2nc(CSc3ccccc3N)cn12
[d] Cc1ccc(-c2nn(CC(=O)NCc3ccccn3)c(=O)c3ccccc23)cc1S(=O)(=O)N(C)C
Answer: b. CCOn1c(=O)c(-c2cccs2)[n+]([O-])c2ccccc21
{#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#}
CCOn1c(=O)c(-c2cccs2)[n+]([O-])c2ccccc21
CCOn1c(=O)c(-c2cccs2)[n+]([O-])c2ccccc21
1-ethoxy-4-oxido-3-(thiophen-2-yl)quinoxalin-4-ium-2-one