Task: Answer the MCQ question.
Question: Which compound has a 14.881\% 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(Nc1ccc(N2CCCC2)cc1)c1cccc(-c2cc3ccccc3oc2=O)c1
b. O=[N+]([O-])c1cccc(O)c1
Answer: b. O=[N+]([O-])c1cccc(O)c1
{#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#}
3-nitrocyclohexa-1,3,5-trien-1-ol