Using CC(=O)OC(C)=O, CCOC(C)O[C@@H]1OC=C(C(=O)OC)[C@H]2CC=C(CCO)[C@H]12 to produce CCOC(C)O[C@@H]1OC=C(C(=O)OC)[C@H]2CC=C(CCOC(C)=O)[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.