Using CC(C)(C)C(C(=O)O)C(CN1C(=O)c2ccccc2C1=O)ON1C(=O)c2ccccc2C1=O to produce CC(C)(C)C(C(=O)O)C(CN)ON, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.