Task: Answer the multiple choice question.
Question: Which compound has a -13.893\% 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. Nc1nc(NCCCN2CCOCC2)nc(Nc2ccc(F)cc2)c1[N+](=O)[O-]
b. CCCCS(=O)(=O)N1CCC(C(=O)NCC2CCCO2)CC1
Answer: a. Nc1nc(NCCCN2CCOCC2)nc(Nc2ccc(F)cc2)c1[N+](=O)[O-]
{#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#}
Nc1nc(NCCCN2CCOCC2)nc(Nc2ccc(F)cc2)c1[N+](=O)[O-]
Nc1nc(NCCCN2CCOCC2)nc(Nc2ccc(F)cc2)c1[N+](=O)[O-]
4-N-(4-fluorophenyl)-2-N-(3-morpholin-4-ylpropyl)-5-nitropyrimidine-2,4,6-triamine