Task: Answer the multiple-choice question.
Query: Which compound exhibits a 19.251\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccc(C(=O)CSc2n[nH]c(-c3ccncc3)n2)cc1[N+](=O)[O-]
b CC(C)(C)NC(=O)c1ccc(NC(=O)C2COc3ccccc3O2)cc1
Answer: a. COc1ccc(C(=O)CSc2n[nH]c(-c3ccncc3)n2)cc1[N+](=O)[O-]
{#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#}
COc1ccc(C(=O)CSc2n[nH]c(-c3ccncc3)n2)cc1[N+](=O)[O-]
COc1ccc(C(=O)CSc2n[nH]c(-c3ccncc3)n2)cc1[N+](=O)[O-]
1-(4-methoxy-3-nitrophenyl)-2-[(5-pyridin-4-yl-1H-1,2,4-triazol-3-yl)sulfanyl]ethanone