Using COc1ncc(F)cc1C=O, Nc1ccc(Cc2c[nH]c3ncc(Br)cc23)c(F)n1 to produce COc1ncc(F)cc1CNc1ccc(Cc2c[nH]c3ncc(Br)cc23)c(F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.