Using CC(=O)CN(CC(=O)O)C(=O)OC(C)(C)C, NCc1ccc(F)cc1 to produce CC1CN(C(=O)OC(C)(C)C)CC(=O)N1Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.