Task: Answer the MCQ question.
Query: Which drug exhibits a 5.212\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccccc1NC(=O)/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F
b CC(C)(C)NC(=O)COC(=O)c1c2c(nc3ccccc13)CCC2
Answer: a. COc1ccccc1NC(=O)/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F
{#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#}
COc1ccccc1NC(=O)/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F
COc1ccccc1NC(=O)/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F
(E)-3-[2-(difluoromethoxy)-5-nitrophenyl]-N-(2-methoxyphenyl)prop-2-enamide