Using ClCc1cnoc1-c1cc(Cl)c(Cl)s1, CCOC(=O)CC(=O)OCC to produce O=C(O)CCc1cnoc1-c1cc(Cl)c(Cl)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.