Using CCOC(=O)c1cccc(NS(=O)(=O)c2sc3ccc(Br)cc3c2C)c1, C1COCCN1 to produce CCOC(=O)c1cccc(NS(=O)(=O)c2sc3ccc(N4CCOCC4)cc3c2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.