Using O=C(O)c1cc(Cc2cc(F)ccc2F)on1, NCCc1c[nH]c2ccc(Br)cc12 to produce O=C(NCCc1c[nH]c2ccc(Br)cc12)c1cc(Cc2cc(F)ccc2F)on1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.