Using NCCC(=O)OCc1ccccc1, O=c1[nH]c2ccc(I)cc2c(=O)o1 to produce Nc1ccc(I)cc1C(=O)NCCC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.