Using Cn1nc(C2(Cl)CC2)c(Cl)c1C(=O)O, CCOC(=O)c1cc(C2(F)CC2)nn1C to produce Cn1nc(C2(F)CC2)c(Cl)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.