Using CC(C)(C)OC(=O)N1CCN(CCOc2ccc(C3=CCN(C(=O)OCc4ccccc4)CC3)cc2)CC1 to produce CC(C)(C)OC(=O)N1CCN(CCOc2ccc(C3CCNCC3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.