Task: Answer the MCQ question.
Question: Which compound has a -10.778% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccccc3)c2)CC1
b: O=C(O)CCC(=O)Nc1ccc(C(=O)OCC(=O)c2ccc(Cl)cc2Cl)cc1
Answer: a. CCS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccccc3)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#}
CCS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccccc3)c2)CC1
CCS(=O)(=O)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccccc3)c2)CC1
N-benzyl-5-(4-ethylsulfonylpiperazin-1-yl)-2-nitroaniline