Using CCC[C@H](CC(=O)n1c2ccccc2c2ccccc21)C(=O)OCc1ccccc1 to produce CCC[C@H](CC(=O)n1c2ccccc2c2ccccc21)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.