Using COc1ccc(CN(c2nc(Nc3cc(C#N)cc(N4CCNCC4=O)c3Cl)nn3c(C#N)cnc23)C2CC2)cc1, CC(C)(C)[Si](C)(C)OCCBr to produce N#Cc1cc(Nc2nc(NC3CC3)c3ncc(C#N)n3n2)c(Cl)c(N2CCN(CCO)CC2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.