Using CSCC(C)C(=O)Nc1cn(-c2cccnc2)nc1Cl, CC(C)(C)[Si](C)(C)OCCBr to produce CSCC(C)C(=O)N(CCO[Si](C)(C)C(C)(C)C)c1cn(-c2cccnc2)nc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.