Using CC(=O)OC(C)=O, COCOc1cc(CC(=O)OC)c(-c2ccc(CNCCCN3CCOCC3)o2)c(OCOC)c1 to produce COCOc1cc(CC(=O)OC)c(-c2ccc(CN(CCCN3CCOCC3)C(C)=O)o2)c(OCOC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.