Using CC(C)c1nc2cc(Cl)c(Cl)cc2nc1Cl, Sc1nnc(SCC2CC2)s1 to produce CC(C)c1nc2cc(Cl)c(Cl)cc2nc1Sc1nnc(SCC2CC2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.