Using CCOCOC(=O)c1c(Cl)cccc1OCc1nc(OC)cc(OC)n1 to produce COc1cc(OC)nc(COc2cccc(Cl)c2C(=O)O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.