Using CC(C)[Si]1(C(C)C)OC[C@H]2C[C@@H](n3cnc4c(Cl)ncnc43)C[C@@H]2O[Si](C(C)C)(C(C)C)O1 to produce OC[C@H]1C[C@@H](n2cnc3c(Cl)ncnc32)C[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.