Using C=C[Sn](CCCC)(CCCC)CCCC, Cc1ccc(Nc2ccc(Br)c(C(F)(F)F)c2F)c(CC(=O)N(C)C)c1 to produce C=Cc1ccc(Nc2ccc(C)cc2CC(=O)N(C)C)c(F)c1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.