Using CCOC(=O)COc1ccc2c(c1)C[C@@H](NC[C@H](O)COc1ccccc1)CCC2 to produce O=C([O-])COc1ccc2c(c1)C[C@@H](NC[C@H](O)COc1ccccc1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.