Using CN1CCc2cc3c(cc2C1)nc(Cl)n[n+]3[O-], CC[Sn](CC)(CC)CC to produce CCc1nc2cc3c(cc2[n+]([O-])n1)CCN(C)C3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.