Using CC(C)OC(=O)[C@@H](O)[C@H](O)C(=O)OC(C)C, C/C=C/C(OCC)OCC to produce C/C=C/C1O[C@H](C(=O)OC(C)C)[C@@H](C(=O)OC(C)C)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.