Using CCOC(=O)c1nn(CCO)c(CC)c1Sc1cc(Cl)cc(Cl)c1 to produce CCc1c(Sc2cc(Cl)cc(Cl)c2)c(CO)nn1CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.