Using CCCCOC(=O)c1ccc(N(CC)Cc2cc(Br)ccc2O)nn1, BrCC1CC1 to produce CCCCOC(=O)c1ccc(N(CC)Cc2cc(Br)ccc2OCC2CC2)nn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.