Using CCOC(=O)C1(NC(=O)c2ccccc2-c2ccccc2)Cc2ccccc2C1 to produce O=C(NC1(C(=O)O)Cc2ccccc2C1)c1ccccc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.