Using COC(=O)COc1cc(OCc2ccccc2)cc(O)c1C(=O)C=CC1C=CC=CC1 to produce Oc1cc(OCc2ccccc2)cc2occ(CCc3ccccc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.