Using CC(C)(C)[Si](C)(C)Cl, Cc1nn(CCO)c(C)c1Oc1cc(Cl)cc(Cl)c1 to produce Cc1nn(CCO[Si](C)(C)C(C)(C)C)c(C)c1Oc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.