Using N=C(N)n1cccn1, COc1ccccc1S(=O)(=O)Oc1cc(C)cc(OCCCON)c1 to produce COc1ccccc1S(=O)(=O)Oc1cc(C)cc(OCCCONC(=N)N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.