Using CCO, CCc1nn(C(C)=O)c2c(OC(C)=O)cc(C(=O)[O-])cc12 to produce CCOC(=O)c1cc(O)c2[nH]nc(CC)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.