Using CCOC(=O)C(CC(=O)c1ccc(F)cc1)C(C)=O, Nc1ccccc1 to produce CCOC(=O)c1cc(-c2ccc(F)cc2)n(-c2ccccc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.