Using O=Cc1ccc2cccnc2c1[N+](=O)[O-], Nc1ccccc1 to produce O=[N+]([O-])c1c(CNc2ccccc2)ccc2cccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.