Problem statement: Answer the MCQ question.
Question: Which drug has a 12.800\% 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] O=C(Cc1ccc(F)cc1)c1ccc(O)cc1O
[b] F[B-](F)(F)F.OCCCCC[NH+]=c1cc(-c2ccccc2)oc2ccc(Cl)cc12
Answer: a. O=C(Cc1ccc(F)cc1)c1ccc(O)cc1O
{#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#}
1-(2,4-dihydroxyphenyl)-2-(4-fluorophenyl)ethanone