Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.558\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccccc1N1CCN(S(=O)(=O)c2cn(C)cn2)CC1
[b] CN(CC(=O)NCc1ccccc1F)S(=O)(=O)c1ccc(Cl)cc1
Answer: a. COc1ccccc1N1CCN(S(=O)(=O)c2cn(C)cn2)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#}
COc1ccccc1N1CCN(S(=O)(=O)c2cn(C)cn2)CC1
COc1ccccc1N1CCN(S(=O)(=O)c2cn(C)cn2)CC1
1-(2-methoxyphenyl)-4-(1-methylimidazol-4-yl)sulfonylpiperazine