Using CC(=O)Nc1ccc(O)c(C(=O)CCC(=O)O)c1, ClC(Cl)Cl to produce COC(=O)CCC(=O)c1cc(NC(C)=O)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.