Task: Answer the MCQ question.
Query: Which compound exhibits a -1.328\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] COc1ccc(C)cc1S(=O)(=O)NC1CCCCCC1
[b] Cc1onc(-c2ccccc2Cl)c1C(=O)Nc1cc(=O)n(C)c(=O)n1C
[c] O=C(COc1ccc(Cl)cc1Cl)c1ccc[nH]1
[d] CCN(CC)S(=O)(=O)c1ccc(OC)c(NC(=S)Nc2cc(C)ccc2C)c1
[e] COc1ccc(NC(=O)Oc2ccccc2)cc1Cl
Answer: c. O=C(COc1ccc(Cl)cc1Cl)c1ccc[nH]1
{#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(COc1ccc(Cl)cc1Cl)c1ccc[nH]1
O=C(COc1ccc(Cl)cc1Cl)c1ccc[nH]1
2-(2,4-dichlorophenoxy)-1-(1H-pyrrol-2-yl)ethanone