Using Nc1ccccc1C1CCCCC1, O=C(O)c1c[nH]nc1C(F)F to produce O=C(Nc1ccccc1C1CCCCC1)c1c[nH]nc1C(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.