Using COc1ccc(Br)cc1C(=O)c1ccc(Nc2ccc(F)cc2F)nc1, C[Sn](C)(C)c1ccncc1 to produce COc1ccc(-c2ccncc2)cc1C(=O)c1ccc(Nc2ccc(F)cc2F)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.