Using COCc1cc(F)c(-c2nc(C(=O)Nc3cnc4c(c3N3C[C@H](C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](NC(=O)OC(C)(C)C)C3)CCC4OC(C)=O)ccc2F)c(F)c1 to produce COCc1cc(F)c(-c2nc(C(=O)Nc3cnc4c(c3N3C[C@H](C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](NC(=O)OC(C)(C)C)C3)CCC4O)ccc2F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.