Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 14.587\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: FC(F)(F)c1nc2cc3nc4ccccc4[nH]c3cc2n1
b: COc1ccc(NC(=O)CC(C)CC(=O)NCc2ccc(F)cc2)c(OC)c1
Answer: a. FC(F)(F)c1nc2cc3nc4ccccc4[nH]c3cc2n1
{#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#}
FC(F)(F)c1nc2cc3nc4ccccc4[nH]c3cc2n1
FC(F)(F)c1nc2cc3nc4ccccc4[nH]c3cc2n1
2-(trifluoromethyl)-10H-imidazo[4,5-b]phenazine