Using C=CCOc1nc2c(cc1I)C(C)CN(C(=O)C(F)(F)F)CC2 to produce Cc1coc2nc3c(cc12)C(C)CN(C(=O)C(F)(F)F)CC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.