Using CCOC(=O)c1c(C(=O)OCC)c(OCc2ccccc2)c2ccccc2c1OCC to produce CCOc1c(C(=O)O)c(C(=O)O)c(OCc2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.