Using COc1cccc2c(=O)n(CCCO)c(COc3ccc(Cl)cc3)nc12, II to produce COc1cccc2c(=O)n(CCCI)c(COc3ccc(Cl)cc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.