Using CCCCCCC(C)(C)c1cc(OCc2ccccc2)c2c(c1)OC(C)(C)CC2(O)CC(=O)OCC to produce CCCCCCC(C)(C)c1cc(O)c2c(c1)OC(C)(C)CC2(O)CC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.