Using CCOC(=O)Cc1nn(Cc2ccc(Br)cc2F)c(=O)c2c(F)cccc12 to produce O=C(O)Cc1nn(Cc2ccc(Br)cc2F)c(=O)c2c(F)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.