Using COC(=O)C(Oc1c(Cl)nc(Cl)nc1N1CCOCC1)C1CC1 to produce OCC(Oc1c(Cl)nc(Cl)nc1N1CCOCC1)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.