Using COC(=O)CNC(=O)C1=C(O)c2cc(Cl)ccc2C2(CCOCC2)C1=O to produce O=C(O)CNC(=O)C1=C(O)c2cc(Cl)ccc2C2(CCOCC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.