Using NCCCCCCCCCC(=O)O, O=C([O-])c1cc(Cl)cc(Cl)c1O to produce O=C(O)CCCCCCCCCNC(=O)c1cc(Cl)cc(Cl)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.