Using CC(C)(C)Cn1c(Cn2[nH]c(=O)c3ccccc3c2=O)cc2cnc(C#N)nc21, O=C([O-])[O-] to produce Cn1c(=O)c2ccccc2c(=O)n1Cc1cc2cnc(C#N)nc2n1CC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.