Using COC(=O)c1ccc2c(=O)[nH]cnc2c1, Fc1ccccc1CCl to produce COC(=O)c1ccc2c(=O)n(Cc3ccccc3F)cnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.