Using COCC(=O)O, CC(C)(C)OC(=O)N(C[C@@H]1CCc2cc(-c3cccc(S(N)(=O)=O)c3)ccc2O1)C[C@H](O[Si](C)(C)C(C)(C)C)c1cccnc1 to produce COCC(=O)NS(=O)(=O)c1cccc(-c2ccc3c(c2)CC[C@@H](CN(C[C@H](O[Si](C)(C)C(C)(C)C)c2cccnc2)C(=O)OC(C)(C)C)O3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.