Using CCOC(=O)N1CCCC(N2CCC(C#N)CC2)CC1, CCOC(=O)Cl to produce CCOC(=O)N1CCCC(N2CCC(C#N)(C(=O)OCC)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.