Using [S-2], CCOC(=O)c1c(C)nc(Cl)c([N+](=O)[O-])c1NCCCN(C)C to produce CCOC(=O)c1c(C)nc(S)c([N+](=O)[O-])c1NCCCN(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.