Task: Answer the MCQ question.
Question: Which compound has a -0.879\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(O)CCCC(=O)Nc1ccccc1C(=O)O
[b] Cc1ccc(Cl)cc1NC(=O)CSC(N)=O
[c] NC(=O)c1ccccc1OCC(=O)Nc1ccc(Cl)c(Cl)c1
Answer: a. O=C(O)CCCC(=O)Nc1ccccc1C(=O)O
{#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#}
O=C(O)CCCC(=O)Nc1ccccc1C(=O)O
O=C(O)CCCC(=O)Nc1ccccc1C(=O)O
2-[(5-hydroxy-5-oxopentanoyl)amino]benzoicacid