Problem statement: Answer the multiple-choice question.
Question: Which compound has a -18.871\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC1CCCCN1C(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
(b) Cc1cc(/C=C2\C(=N)N3N=C(CC(=O)N4CCOCC4)SC3=NC2=O)c(C)n1-c1ccccc1
Answer: a. CC1CCCCN1C(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
{#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#}
CC1CCCCN1C(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
CC1CCCCN1C(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
(2-methylpiperidin-1-yl)-[5-[(4-nitrophenoxy)methyl]furan-2-yl]methanone