Task: Answer the multiple-choice question.
Question: Which compound has a -2.637\% 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: Cc1cccc(NC(=O)c2cc3c(=O)n4ccccc4nc3n(CC(C)C)c2=N)c1
b: Cc1ccccc1S(=O)(=O)Cc1ccc(C(=O)N2CCN(c3ccc(F)cc3)CC2)o1
Answer: b. Cc1ccccc1S(=O)(=O)Cc1ccc(C(=O)N2CCN(c3ccc(F)cc3)CC2)o1
{#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#}
[4-(4-fluorophenyl)piperazin-1-yl]-[5-[(2-methylphenyl)sulfonylmethyl]furan-2-yl]methanone