Using O=C(Cl)OCc1ccccc1, COC(=O)Oc1cc(N)c(F)cc1Cl to produce COC(=O)Oc1cc(NC(=O)OCc2ccccc2)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.