Using CC(=O)[O-], CCOC(=O)c1cc(=O)c(C(=O)c2ccccc2)co1 to produce CCOC(=O)C1=CC(=O)C2(C(=O)c3ccccc3)OC2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.