Task: Answer the MCQ question.
Question: Which compound has a 13.753\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=[N+]([O-])c1ccccc1N/N=C/c1c[nH]c2ccccc12
(b) FC(F)(F)c1ccccc1NC(=S)Nc1cccc(Cl)c1
Answer: a. O=[N+]([O-])c1ccccc1N/N=C/c1c[nH]c2ccccc12
{#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=[N+]([O-])c1ccccc1N/N=C/c1c[nH]c2ccccc12
O=[N+]([O-])c1ccccc1N/N=C/c1c[nH]c2ccccc12
N-[(E)-1H-indol-3-ylmethylideneamino]-2-nitroaniline