Using COCC=O, COC(=O)c1cc(Br)cc(NC2CCOCC2)c1C to produce COCCN(c1cc(Br)cc(C(=O)OC)c1C)C1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.