Task: Answer the MCQ question.
Question: Which drug exhibits a -4.121\% 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] COC(=O)c1ccc(S(=O)(=O)N2CCCCC2)o1
[b] O=C(CN1C(=O)c2cccc3cccc1c23)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1
Answer: b. O=C(CN1C(=O)c2cccc3cccc1c23)Nc1ccc(S(=O)(=O)N2CCOCC2)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#}
N-(4-morpholin-4-ylsulfonylphenyl)-2-(2-oxobenzo[cd]indol-1-yl)acetamide