Using CC(=O)OC(C)=O, Cc1cc(OCCC(C)(C)O)cc(C)c1-c1cccc(COc2ccc(C=O)cc2)c1 to produce CC(=O)OC(C)(C)CCOc1cc(C)c(-c2cccc(COc3ccc(C=O)cc3)c2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.