Using COc1ccc(-n2c(=O)[nH]c(=O)n(CC(C)(C)C)c2=O)cc1, O=C([O-])[O-] to produce COc1ccc(-n2c(=O)n(C)c(=O)n(CC(C)(C)C)c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.