Using O=[N+]([O-])c1cc2c(Nc3ccc(Cl)cc3F)ncnc2cc1Cl, COCCO to produce COCCOc1cc2ncncc2cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.