Using CC(C)(C)OC(=O)N1CCC2(CC1)CNC(c1ccccc1)CO2, CC=O to produce CCN1CC2(CCN(C(=O)OC(C)(C)C)CC2)OCC1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.