Using NCCc1c[nH]c2ccc(Cl)cc12, O=C(O)c1ccc(Cc2cccc(F)c2)c(F)c1 to produce O=C(NCCc1c[nH]c2ccc(Cl)cc12)c1ccc(Cc2cccc(F)c2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.