Task: Answer the multiple-choice question.
Query: Which compound has a 14.300\% 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 O=C(N=Nc1c(O)[nH]c2ccccc12)c1ccco1
b COc1ccc(C(=O)NCc2ccc(C(=O)NCC(OC)OC)cc2)cc1OC
Answer: a. O=C(N=Nc1c(O)[nH]c2ccccc12)c1ccco1
{#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#}
O=C(N=Nc1c(O)[nH]c2ccccc12)c1ccco1
O=C(N=Nc1c(O)[nH]c2ccccc12)c1ccco1
N-[(2-hydroxy-1H-indol-3-yl)imino]furan-2-carboxamide