Using COC(=O)c1cc(C(=O)N2CCOCC2)ccc1OCc1ccccc1 to produce O=C(O)c1cc(C(=O)N2CCOCC2)ccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.