Using c1ccc(C2(COCCc3coc4c(OC5CCCCO5)cccc34)OCCO2)cc1 to produce Oc1cccc2c(CCOCC3(c4ccccc4)OCCO3)coc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.