Using CCOC(=O)c1ncc2[nH]c3ccc(I)cc3c2c1C, O=C1C=CCCC1 to produce CCOC(=O)c1ncc2[nH]c3ccc(C4=CC(=O)CCC4)cc3c2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.