Task: Answer the MCQ question.
Question: Which compound has a 4.409\% 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(NCCCN1CCOCC1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
b) CC(C)(C)c1ccc(S(=O)(=O)N2CCN(CC(=O)N3CC(=O)Nc4ccccc43)CC2)cc1
Answer: a. O=C(NCCCN1CCOCC1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
{#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(NCCCN1CCOCC1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
O=C(NCCCN1CCOCC1)c1ccc(N2CCCC2)c([N+](=O)[O-])c1
N-(3-morpholin-4-ylpropyl)-3-nitro-4-pyrrolidin-1-ylbenzamide