Task: Answer the MCQ question.
Query: Which compound has a -5.449\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a N#C/C(=C(/O)COc1cccc2ccccc12)c1nc2ccccc2[nH]1
b O=C(NNC(=O)c1ccc([N+](=O)[O-])cc1Cl)c1ccncc1
Answer: b. O=C(NNC(=O)c1ccc([N+](=O)[O-])cc1Cl)c1ccncc1
{#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=C(NNC(=O)c1ccc([N+](=O)[O-])cc1Cl)c1ccncc1
O=C(NNC(=O)c1ccc([N+](=O)[O-])cc1Cl)c1ccncc1
N'-(2-chloro-4-nitrobenzoyl)pyridine-4-carbohydrazide