Using CC(C)(C)OC(=O)NCCBr, CC(C)(C)[Si](C)(C)Oc1cccc(-c2nc(N3CCOCC3)c3sccc3n2)c1 to produce CC(C)(C)OC(=O)NCCc1cc2nc(-c3cccc(O[Si](C)(C)C(C)(C)C)c3)nc(N3CCOCC3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.