Task: Answer the MCQ question.
Query: Which drug has a 19.109\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] Cc1ccc(N(CC2CO2)S(=O)(=O)c2ccc([N+](=O)[O-])cc2)cc1
[b] Cc1cc2c(=O)n(Cc3ccco3)c(SCC(=O)N3CCCc4ccccc43)nc2s1
[c] COC(=O)c1ccc(Nc2ccc3nonc3c2[N+](=O)[O-])cc1
Answer: c. COC(=O)c1ccc(Nc2ccc3nonc3c2[N+](=O)[O-])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#}
COC(=O)c1ccc(Nc2ccc3nonc3c2[N+](=O)[O-])cc1
COC(=O)c1ccc(Nc2ccc3nonc3c2[N+](=O)[O-])cc1
methyl 4-[(4-nitro-2,1,3-benzoxadiazol-5-yl)amino]benzoate