Problem statement: Answer the multiple-choice question.
Query: Which compound has a 2.156\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: COc1cc(C(=O)NCC(C)C)cc(OC)c1OC
b: Cc1ccc(C2Nc3ccc4ccccc4c3C3=C2C(=O)CC(C)(C)C3)o1
c: NNC(=O)CNc1cccc(Br)c1
Answer: a. COc1cc(C(=O)NCC(C)C)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#}
3,4,5-trimethoxy-N-(2-methylpropyl)benzamide