Task: Answer the MCQ question.
Query: Which drug has a -25.741% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCOCC3)c2)CC1
b. CC(C)(C)c1oc(C(=O)O)cc1CN1CCOCC1.Cl
Answer: a. O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCOCC3)c2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCOCC3)c2)CC1
O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCOCC3)c2)CC1
2-(2-chlorophenoxy)-1-[4-(3-morpholin-4-yl-4-nitrophenyl)piperazin-1-yl]ethanone