Using CO[Si](OC)(OC)OC, CCCCC[C@H]1CC[C@H]([C@H]2CC[C@H](CCl)CC2)CC1 to produce CCCCC[C@H]1CC[C@H]([C@H]2CC[C@H](C[Si](OC)(OC)OC)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.