Using O=[N+]([O-])c1ccc(OCCN2CCC(Oc3ccc([N+](=O)[O-])cc3)CC2)cc1 to produce Nc1ccc(OCCN2CCC(Oc3ccc(N)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.