Using CC1=C(C)C(O)N(c2ccc(Cl)c(Cl)c2)C1=O, CC(=O)Cl to produce CC(=O)OC1C(C)=C(C)C(=O)N1c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.