Using CCOC(OCC)OCC, CN1CCN(c2nc3ccc(N)cc3nc2N2CCN(C)CC2)CC1 to produce CCOC=Nc1ccc2nc(N3CCN(C)CC3)c(N3CCN(C)CC3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.