Using CC(C)[Si](c1ncc(-c2ccc3c(c2)CC(C2CCN(C(=O)OC(C)(C)C)CC2)O3)o1)(C(C)C)C(C)C to produce CC(C)(C)OC(=O)N1CCC(C2Cc3cc(-c4cnco4)ccc3O2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.