Task: Answer the MCQ question.
Query: Which compound exhibits a 16.216\% 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] C=CCc1cc(/C=C/c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)cc(OC)c1O
[b] COc1ccccc1N1CCN(CCCNC(=O)C2CCCN(c3ncnc4c3nc3n4CCCCC3)C2)CC1
Answer: a. C=CCc1cc(/C=C/c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)cc(OC)c1O
{#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#}
C=CCc1cc(/C=C/c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)cc(OC)c1O
C=CCc1cc(/C=C/c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)cc(OC)c1O
4-hydroxy-2-[(E)-2-(4-hydroxy-3-methoxy-5-prop-2-enylphenyl)ethenyl]-5-nitro-1H-pyrimidin-6-one