Using CC(C)(C)[Si](C)(C)O[C@@H]1CCN(c2cncc(N3CCc4cc(Cl)ccc4C3=O)c2)C1 to produce O=C1c2ccc(Cl)cc2CCN1c1cncc(N2CC[C@@H](O)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.