Using O=C(c1ccc(Cl)cc1)c1cccc(CBr)c1, CCOC(=O)CC(=O)[O-] to produce CCOC(=O)CC(=O)OCc1cccc(C(=O)c2ccc(Cl)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.