Using COc1cccc(C(Nc2cccc3ccccc23)C(O)(CBr)C(F)(F)F)c1 to produce Oc1cccc(C(Nc2cccc3ccccc23)C(O)(CBr)C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.