Using O=C(CBr)c1cccc(OC(F)(F)F)c1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCC(=O)c1cccc(OC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.