Using CCOc1ccc(NC(=O)c2c([N+](=O)[O-])[nH]c3c2C(=O)CCC3)cc1 to produce CCOc1ccc(NC(=O)c2c(N)[nH]c3c2C(=O)CCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.