Using C1=COCCC1, CCC(C(=O)c1ccc(O)cc1)c1ccccc1 to produce CCC(C(=O)c1ccc(OC2CCCCO2)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.