Using CCCOc1ccc(C(=O)c2ccc3c(c2)OCO3)c(C(=O)c2ccc(OC)cc2OCc2ccccc2)c1 to produce CCCOc1ccc(C(=O)c2ccc3c(c2)OCO3)c(C(=O)c2ccc(OC)cc2O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.