Using CCOC(=O)C(CN1C(=O)c2c(Cl)ccc(Cl)c2C1=O)C1(C)OCCO1 to produce CCOC(=O)C(CN1C(=O)c2c(Cl)ccc(Cl)c2C1=O)C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.