Using COc1ccc(C=O)c2ccc(=O)n(C)c12, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(=Cc1ccc(OC)c2c1ccc(=O)n2C)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.