Using Nc1ccc(N2CCOCC2=O)cc1N, Nc1ncc(I)cc1C=O to produce Nc1ncc(I)cc1-c1nc2ccc(N3CCOCC3=O)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.