Using CCCCCC(=O)C=C[C@H]1CC[C@@H](O)[C@@H]1CCCCCCC(=O)OCC, OCCO to produce CCCCCC1(CC=C2CC[C@@H](O)[C@@H]2CCCCCCC(=O)OCC)OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.