Using CC(C)(C)[Si](C)(C)Cl, OCC[C@@H]1CCc2sc3ncnc(Cl)c3c2C1 to produce CC(C)(C)[Si](C)(C)OCC[C@@H]1CCc2sc3ncnc(Cl)c3c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.