Using CC(=O)OC(C)=O, O=C(OCc1ccccc1)N1CC(O)CC1Cc1c[nH]c2cc(F)ccc12 to produce CC(=O)OC1CC(Cc2c[nH]c3cc(F)ccc23)N(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.