Using Cc1cc(C)c([IH+])c(C)n1, CCOC(=O)c1ncc2snc(-c3ccc(F)cc3)c2c1O to produce CCOC(=O)c1nc(I)c2snc(-c3ccc(F)cc3)c2c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.