Using COc1ccc(Nc2ncc(Br)cc2C(=O)Nc2ccccc2)cc1F to produce O=C(Nc1ccccc1)c1cc(Br)cnc1Nc1ccc(O)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.