Using CCCc1cc(CCCCCO)ccc1OC, CCOC(=O)COc1cccc2c(O)cccc12 to produce CCCc1cc(CCCCCOc2cccc3c(OCC(=O)OCC)cccc23)ccc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.