Task: Answer the multiple choice question.
Question: Which compound exhibits a 2.773\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1ccc(S(=O)(=O)C2CCOC2=O)cc1
[b] CN(c1ccccc1)S(=O)(=O)c1ccc(Cl)c(C(=O)OCC(=O)N2CCOCC2)c1
Answer: a. Cc1ccc(S(=O)(=O)C2CCOC2=O)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#}
Cc1ccc(S(=O)(=O)C2CCOC2=O)cc1
Cc1ccc(S(=O)(=O)C2CCOC2=O)cc1
3-(4-methylphenyl)sulfonyloxolan-2-one