Using O=C1CCC(=O)N1Br, COc1ccc(NC(=O)Nc2ccc(F)cc2F)cc1-c1ccn[nH]1 to produce COc1ccc(NC(=O)Nc2ccc(F)cc2F)cc1-c1[nH]ncc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.