Using CC(C)(C)OC(=O)COc1ccc(O)cc1C=O, CCOC(=O)CCCBr to produce CCOC(=O)CCCOc1ccc(OCC(=O)OC(C)(C)C)c(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.