Using O=C(O)C1(C(=O)Nc2ccc(F)cc2)CC1, Nc1cc(Oc2cc(F)c(N)cc2F)ncn1 to produce Nc1cc(Oc2cc(F)c(NC(=O)C3(C(=O)Nc4ccc(F)cc4)CC3)cc2F)ncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.