Task: Answer the multiple choice question.
Query: Which compound has a 5.193\% 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: COc1cccc(Nc2nc(C)cc(C)c2C(N)=O)c1
b: Nc1nccnc1C(=O)OCC(=O)c1ccc[nH]1
Answer: b. Nc1nccnc1C(=O)OCC(=O)c1ccc[nH]1
{#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#}
Nc1nccnc1C(=O)OCC(=O)c1ccc[nH]1
Nc1nccnc1C(=O)OCC(=O)c1ccc[nH]1
[2-oxo-2-(1H-pyrrol-2-yl)ethyl]3-aminopyrazine-2-carboxylate