Using CC(=O)N1CCNCC1, COc1cc(C=O)cc(NC(=O)OC(C)(C)C)n1 to produce COc1cc(CN2CCN(C(C)=O)CC2)cc(NC(=O)OC(C)(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.