Using COC(=O)CCN(C(=O)c1cc(Cl)cc(OC)c1)C(C)C to produce COc1cc(Cl)cc(C(=O)N(CCC(=O)O)C(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.