Using CC(C)(C)[Si](C)(C)Cl, CCOC(=O)c1nn(CCO)c(CC)c1Sc1cc(Cl)cc(Cl)c1 to produce CCOC(=O)c1nn(CCO[Si](C)(C)C(C)(C)C)c(CC)c1Sc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.