Using CCOC(=O)c1cn(Cc2c(F)cccc2F)c2cc(Br)c(C)cc2c1=O, O=C1CCC(=O)N1Br to produce CCOC(=O)c1cn(Cc2c(F)cccc2F)c2cc(Br)c(CBr)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.