Task: Answer the multiple choice question.
Query: Which compound has a -14.242% 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 CCCCn1nnc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)n1
b COc1cc(C(=O)Nc2sc(C)c(C)c2C(=O)O)cc(OC)c1OC
Answer: a. CCCCn1nnc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)n1
{#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#}
CCCCn1nnc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)n1
CCCCn1nnc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)n1
N-(2-butyltetrazol-5-yl)-5-(2-nitrophenyl)furan-2-carboxamide