Using CCOC(=O)Cc1ccc(-c2ccc(Br)cc2)n1-c1ccc(O)cc1 to produce O=C(O)Cc1ccc(-c2ccc(Br)cc2)n1-c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.