Using CCCCC[C@@H](/C=C/[C@@H]1[C@H]2Cc3cccc(O)c3C[C@H]2C[C@H]1O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C, O=C(Cl)c1ccccc1 to produce CCCCC[C@@H](/C=C/[C@@H]1[C@H]2Cc3cccc(OC(=O)c4ccccc4)c3C[C@H]2C[C@H]1O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.