Using CC(=O)Nc1ccc(NC(=S)Nc2cc(Cl)c(OCCOC(C)=O)c(Cl)c2)cc1 to produce CC(=O)Nc1ccc(NC(=S)Nc2cc(Cl)c(OCCO)c(Cl)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.