Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 5.979\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] COc1cccc(C(C(=O)NC2CCCC2)N(CC2CCCO2)C(=O)Cc2cccs2)c1
[b] CN(C1CCCCC1)S(=O)(=O)c1ccc(NC(=O)CCC(=O)O)cc1
[c] O=[N+]([O-])c1cnn2cc(Br)cnc12
[d] NS(=O)(=O)c1ccc(CNS(=O)(=O)c2ccc3ccccc3c2)cc1
[e] CCOc1ccc(C(=O)Nc2sc3c(c2C(=O)OC)CC(C)(C)NC3(C)C)cc1
Answer: c. O=[N+]([O-])c1cnn2cc(Br)cnc12
{#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=[N+]([O-])c1cnn2cc(Br)cnc12
O=[N+]([O-])c1cnn2cc(Br)cnc12
6-bromo-3-nitropyrazolo[1,5-a]pyrimidine