Using CCOC(=O)C(O)Cc1ccc(OCCN2CCOc3ccccc32)cc1, BrCc1ccccc1 to produce CCOC(=O)C(Cc1ccc(OCCN2CCOc3ccccc32)cc1)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.