Using CC(=O)OC(C)=O, CCCCCCCCCCCCN1CCC(C(C)(C)CNC)CC1 to produce CCCCCCCCCCCCN1CCC(C(C)(C)CN(C)C(C)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.