Using CCOC(=O)c1cnc2ccc(I)cn2c1=O, NCc1ccc(Cl)cc1 to produce O=C(NCc1ccc(Cl)cc1)c1cnc2ccc(I)cn2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.