Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 1.606\% 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(Nc1ccc(S(=O)(=O)NC2CCCCC2)cc1)c1ccc(Br)o1
b. COc1ccc2nc(NC(=O)C3CCCN(S(=O)(=O)c4cccc5nsnc45)C3)sc2c1
Answer: a. O=C(Nc1ccc(S(=O)(=O)NC2CCCCC2)cc1)c1ccc(Br)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#}
5-bromo-N-[4-(cyclohexylsulfamoyl)phenyl]furan-2-carboxamide