Using O=C(O)c1cnc(OCC(F)(F)F)c(Br)c1, NC1CCCCC1O to produce O=C(NC1CCCCC1O)c1cnc(OCC(F)(F)F)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.