Using N=C(N)N, N#Cc1ccc(Nc2nc(Cl)nc(Cc3c(Cl)cccc3Cl)n2)cc1 to produce N#Cc1ccc(Nc2nc(Cc3c(Cl)cccc3Cl)nc(NC(=N)N)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.