Using CC(C)[Si]1(C(C)C)OC[C@H]2O[C@@H](n3cnc4c(Cl)ncnc43)[C@@H](O)[C@@H]2O[Si](C(C)C)(C(C)C)O1, O=C([O-])[O-] to produce CO[C@H]1[C@@H]2O[Si](C(C)C)(C(C)C)O[Si](C(C)C)(C(C)C)OC[C@H]2O[C@H]1n1cnc2c(Cl)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.