Using CC1(C)Cc2sc3c(c2C1)CCN(c1nccc(Cl)c1C=O)C3=O to produce CC1(C)Cc2sc3c(c2C1)CCN(c1nccc(Cl)c1CO)C3=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.