Task: Answer the MCQ question.
Query: Which drug exhibits a 12.827\% 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, b, c, or d without using any additional words.
Options:
[a] COC(=O)c1cn(NC(=O)c2ccncc2)c(=O)c2ccccc12
[b] COc1ccccc1C(=O)NC(=O)COC(=O)CNC(=O)c1ccc(Cl)cc1Cl
[c] O=c1cc(-c2ccc(C3CCCCC3)cc2)[nH][nH]1
[d] O=c1[nH]c(/C=C\c2cccc(O)c2)nc(O)c1[N+](=O)[O-]
Answer: d. O=c1[nH]c(/C=C\c2cccc(O)c2)nc(O)c1[N+](=O)[O-]
{#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=c1[nH]c(/C=C\c2cccc(O)c2)nc(O)c1[N+](=O)[O-]
O=c1[nH]c(/C=C\c2cccc(O)c2)nc(O)c1[N+](=O)[O-]
4-hydroxy-2-[(Z)-2-(3-hydroxyphenyl)ethenyl]-5-nitro-1H-pyrimidin-6-one