Task: Answer the MCQ question.
Query: Which drug exhibits a 0.923\% 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: CCN(CC)c1cc(NCCO)c([N+](=O)[O-])c2nonc12
b: O=C(O)CSc1c2c(nc3cc(C(=O)Nc4ccc(F)c(Cl)c4)ccc13)CCCC2
Answer: a. CCN(CC)c1cc(NCCO)c([N+](=O)[O-])c2nonc12
{#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#}
CCN(CC)c1cc(NCCO)c([N+](=O)[O-])c2nonc12
CCN(CC)c1cc(NCCO)c([N+](=O)[O-])c2nonc12
2-[[7-(diethylamino)-4-nitro-2,1,3-benzoxadiazol-5-yl]amino]ethanol