Using O=C1CCC(=O)N1Br, Fc1cccc(-c2cc3ccc(OC(F)F)nn3n2)c1 to produce Fc1cccc(-c2nn3nc(OC(F)F)ccc3c2Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.