Using [N-]=[N+]=NCC(=O)c1cccnc1, Cc1ccc([N+](=O)[O-])cc1N=C=O to produce Cc1ccc([N+](=O)[O-])cc1Nc1ncc(-c2cccnc2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.