Using COCOc1cc(OC)ccc1-c1[nH]c2cc(C(=O)OC)ccc2c1C1CCCCC1 to produce COC(=O)c1ccc2c(C3CCCCC3)c(-c3ccc(OC)cc3O)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.