Using Nn1ccc(C(=O)c2ccccc2)c1, O=C(O)CNC(=O)OCc1ccccc1 to produce O=C(CNC(=O)OCc1ccccc1)Nn1ccc(C(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.