Using CC(C(N)=O)c1ccc2c(c1)Sc1ncccc1CC2=O, CCO to produce CC(C(=O)O)c1ccc2c(c1)Sc1ncccc1CC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.