Task: Answer the MCQ question.
Query: Which drug has a 19.528\% human ether-à-go-go related gene (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 O=C(Nc1cccnc1)c1cc2cc(Br)ccc2o1
b Cc1ccc(N/N=C2\COC(C)(C)CC2=O)cc1
Answer: a. O=C(Nc1cccnc1)c1cc2cc(Br)ccc2o1
{#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(Nc1cccnc1)c1cc2cc(Br)ccc2o1
O=C(Nc1cccnc1)c1cc2cc(Br)ccc2o1
5-bromo-N-pyridin-3-yl-1-benzofuran-2-carboxamide