Task: Answer the multiple choice question.
Question: Which compound exhibits a 13.893\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) COc1ccc2c(CC(=O)OCC(=O)Nc3ccccc3[N+](=O)[O-])coc2c1
b.) O=C1C[C@@H](c2ccc(O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)cc2)Oc2cc(O)ccc21
c.) c1ccc(-c2nnc(-c3ccccn3)s2)nc1
Answer: a. COc1ccc2c(CC(=O)OCC(=O)Nc3ccccc3[N+](=O)[O-])coc2c1
{#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#}
[2-(2-nitroanilino)-2-oxoethyl] 2-(6-methoxy-1-benzofuran-3-yl)acetate