Using Clc1ccc(N2CCN(c3nc(Cl)c4c(n3)CCS4)CC2)cc1, [N-]=[N+]=[N-] to produce [N-]=[N+]=Nc1nc(N2CCN(c3ccc(Cl)cc3)CC2)nc2c1SCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.