Using CCOC(=O)CBr, CCOC(=O)C1Cc2ccc(C(=O)OC)cc2C1=O to produce CCOC(=O)CC1(C(=O)OCC)Cc2ccc(C(=O)OC)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.