Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.557\% 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) CCCCOC(=O)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
b) CC1(C)Cc2c(c(N3CCOCC3)nc3sc(C(=O)Nc4ccc(Cl)cc4)c(N)c23)CO1
Answer: a. CCCCOC(=O)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
{#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#}
CCCCOC(=O)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
CCCCOC(=O)Nc1ccc(S(=O)(=O)Nc2ncccn2)cc1
butyl N-[4-(pyrimidin-2-ylsulfamoyl)phenyl]carbamate