Using CCCCCCCCCCOC(=O)OC(C)OC(=O)CCCCCCC(=O)OCc1ccccc1 to produce CCCCCCCCCCOC(=O)OC(C)OC(=O)CCCCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.