Problem statement: Answer the MCQ question.
Query: Which compound has a 13.032\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1cccc(NC(=O)c2cccc(C(=O)Nc3cccc(OC)c3)c2)c1
b. COc1cc(C(=O)O)c([N+](=O)[O-])c(OC)c1OC
Answer: b. COc1cc(C(=O)O)c([N+](=O)[O-])c(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#}
3,4,5-trimethoxy-2-nitrobenzoic acid