Using CC(C)(C)OC(=O)OC(C)(C)C, Nc1cccc(CN2CCNCC2)n1 to produce CC(C)(C)OC(=O)N1CCN(Cc2cccc(N)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.