Using COCOc1cc(I)ccc1C(=O)OC, Fc1cn2ccccc2c1Br to produce COCOc1cc(-c2c(F)c(Br)c3ccccn23)ccc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.