Using CC(=O)ON(C(C)=O)C(C)c1ccc(-n2c(C)ccc2C)cc1 to produce CC(=O)N(O)C(C)c1ccc(-n2c(C)ccc2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.