Task: Answer the multiple-choice question.
Query: Which compound has a -5.533\% human ether-à-go-go related gene (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 O=C(NNS(=O)(=O)c1ccc([N+](=O)[O-])cc1)C(=O)Nc1cccc(C(=O)O)c1
b O=[N+]([O-])c1ccccc1NCc1ccccc1Cl
Answer: b. O=[N+]([O-])c1ccccc1NCc1ccccc1Cl
{#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#}
O=[N+]([O-])c1ccccc1NCc1ccccc1Cl
O=[N+]([O-])c1ccccc1NCc1ccccc1Cl
N-[(2-chlorophenyl)methyl]-2-nitroaniline