Using Fc1ccc(-c2cn3c(n2)CCC3)c(F)c1, O=C1CCC(=O)N1I to produce Fc1ccc(-c2nc3n(c2I)CCC3)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.