Using CCCCC(C)(C)C(=O)C=C[C@@H]1CCC(=O)[C@H]1CC=CCCCC(=O)OC, OCCO to produce CCCCC(C)(C)C(O)/C=C\C1CC2OCCOC2C1C/C=C/CCCC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.