Using COC(=O)CCl, O=c1[nH]nc(Br)n1Cc1cccc(F)c1 to produce COC(=O)Cn1nc(Br)n(Cc2cccc(F)c2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.