Using C1COCCN1, Cc1ccc(S(=O)(=O)OCCC2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1 to produce O=[N+]([O-])c1ccc(N2CCC(CCN3CCOCC3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.