Task: Answer the MCQ question.
Question: Which compound has a -5.509\% 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. CC(=O)NCCc1nc2cc(NC(=O)c3ccccc3C)ccc2n1C
b. COc1ccc(-c2ccc(=O)n(Cc3ccc([N+](=O)[O-])cc3)n2)cc1
Answer: b. COc1ccc(-c2ccc(=O)n(Cc3ccc([N+](=O)[O-])cc3)n2)cc1
{#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#}
COc1ccc(-c2ccc(=O)n(Cc3ccc([N+](=O)[O-])cc3)n2)cc1
COc1ccc(-c2ccc(=O)n(Cc3ccc([N+](=O)[O-])cc3)n2)cc1
6-(4-methoxyphenyl)-2-[(4-nitrophenyl)methyl]pyridazin-3-one