Using BrCc1ccccc1, CCOC(=O)c1cc(O)cc(C(=O)OCC)n1 to produce CCOC(=O)c1cc(OCc2ccccc2)cc(C(=O)OCC)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.