Using COc1ccc(NC(=O)CNC2CCN(CCCC(=O)c3ccccc3)CC2)cc1 to produce O=C(CNC1CCN(CCCC(=O)c2ccccc2)CC1)Nc1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.