Using O=C(Nc1ccc(P(=O)(O)O)cc1)c1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(C(=O)Nc2ccc(P(=O)(O)O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.