Using CC(Cc1ccc(OC(=O)c2ccccc2)cc1)NCC(O)c1cc2ccccc2o1 to produce CC(Cc1ccc(O)cc1)NCC(O)c1cc2ccccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.