Using CCOC(=O)c1cn(CCOC(C)=O)c2ccc(Cc3cccc(Cl)c3Cl)cc2c1=O to produce O=C(O)c1cn(CCO)c2ccc(Cc3cccc(Cl)c3Cl)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.