Using NCCN1CCCCC1, C[N+](c1ccccc1)=c1sc2ccc(Cl)cc2s1 to produce Clc1ccc2sc(=NCCN3CCCCC3)sc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.