Using CCOC(=O)c1c(C(=O)OCC)c(OCc2ccccc2)c2ccccc2c1OCc1ccccc1 to produce O=C(O)c1c(C(=O)O)c(OCc2ccccc2)c2ccccc2c1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.