Using Nc1cc(F)c(F)cc1Nc1ccccc1, COc1ccc(N(C(=O)CBr)C(C)C)cc1 to produce COc1ccc(N(C(=O)CNc2cc(F)c(F)cc2Nc2ccccc2)C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.