Using CCOC(=O)c1ccc(S(=O)(=O)Cl)cc1F, Nc1ccc(Cl)cc1-n1nnc2ncccc21 to produce CCOC(=O)c1ccc(S(=O)(=O)Nc2ccc(Cl)cc2-n2nnc3ncccc32)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.