Task: Answer the MCQ question.
Query: Which drug has a 1.769\% 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: Cc1ccc(CN=c2c([N+](=O)[O-])nn(-c3cccc(C)c3)n2O)cc1
b: CCN(CC)CCNC(=O)c1cc(S(=O)(=O)N2CCc3ccccc32)cn1C
Answer: a. Cc1ccc(CN=c2c([N+](=O)[O-])nn(-c3cccc(C)c3)n2O)cc1
{#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#}
Cc1ccc(CN=c2c([N+](=O)[O-])nn(-c3cccc(C)c3)n2O)cc1
Cc1ccc(CN=c2c([N+](=O)[O-])nn(-c3cccc(C)c3)n2O)cc1
3-hydroxy-2-(3-methylphenyl)-N-[(4-methylphenyl)methyl]-5-nitrotriazol-4-imine