Using COC(=O)c1ccc(Sc2ccnc(Cl)n2)cc1, Nc1ccc(N2CCOCC2)cc1 to produce COC(=O)c1ccc(Sc2ccnc(Nc3ccc(N4CCOCC4)cc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.