Using CC(=O)OC(C)=O, Cc1c(C)c2c(c(C)c1OCc1ccccc1)CC(CCO)O2 to produce CC(=O)OCCC1Cc2c(C)c(OCc3ccccc3)c(C)c(C)c2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.