Using N=C(N)COCc1ccccc1, CCOC(=O)C(=CN(C)C)[N+](=O)[O-] to produce O=[N+]([O-])c1cnc(COCc2ccccc2)nc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.