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