Using O=[N+]([O-])c1ccc2[nH]cc(C3=CCN4CCCC4C3)c2c1 to produce Nc1ccc2[nH]cc(C3=CCN4CCCC4C3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.