Task: Answer the multiple choice question.
Question: Which compound has a -1.846\% 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) CCCn1c(=O)c(C(=O)Nc2ccccc2C)c(O)c2ccccc21
(b) O=C(/C=C/c1ccccc1[N+](=O)[O-])Nc1cccnc1
Answer: b. O=C(/C=C/c1ccccc1[N+](=O)[O-])Nc1cccnc1
{#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(/C=C/c1ccccc1[N+](=O)[O-])Nc1cccnc1
O=C(/C=C/c1ccccc1[N+](=O)[O-])Nc1cccnc1
(E)-3-(2-nitrophenyl)-N-pyridin-3-ylprop-2-enamide