Using O=C1CCC(=O)N1Cl, CC(C)[Si](O[C@@H]1CC[C@@H](c2cccc(F)c2F)[C@H](O)c2cccnc21)(C(C)C)C(C)C to produce CC(C)[Si](O[C@@H]1CC[C@@H](c2cccc(F)c2F)[C@@H](Cl)c2cccnc21)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.