Using O=[N+]([O-])c1cc(Cl)c(N=C=S)c(Cl)c1, NCCCN to produce O=[N+]([O-])c1cc(Cl)c(N=C2NCCCN2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.