Using O=C1NC(=O)c2ccccc21, O=C(OCc1ccccc1)N1CCC(F)C(O)C1 to produce O=C(OCc1ccccc1)N1CCC(F)C(N2C(=O)c3ccccc3C2=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.