Using COC(=O)[C@H](CCCCNC(=O)c1ccc(NC(=O)OCc2ccccc2)cc1)n1c2ccccc2c2ccccc21 to produce COC(=O)C(CCCCNC(=O)c1ccc(N)cc1)n1c2ccccc2c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.