Using CCOC(=O)c1cn2c3c(c(C#N)ccc3c1=O)CCC2C, CC(=O)[O-] to produce CCOC(=O)c1cn2c3c(c(CNC(C)=O)ccc3c1=O)CCC2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.