Using c1nc[nH]n1, FC(F)Oc1ccc2c(Cc3c(Cl)cncc3Cl)nnc(Cl)c2c1 to produce FC(F)Oc1ccc2c(Cc3c(Cl)cncc3Cl)nnc(-n3cncn3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.