Using CC(=O)C=Cc1c(C)c(C)c2c(c1C)OC(C)(C)C2, CCOC(=O)CC(=O)OCC to produce Cc1c(C)c(C2CC(=O)C=C(O)C2)c(C)c2c1CC(C)(C)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.