Using CC(C)(C)[Si](C)(C)Oc1ccc(C(=O)CC2CCN(Cc3ccccc3)CC2)cc1 to produce O=C(CC1CCN(Cc2ccccc2)CC1)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.