Using COc1ccc([N+](=O)[O-])c(CCNC2CCN(Cc3ccccc3)CC2)c1 to produce COc1ccc(N)c(CCNC2CCN(Cc3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.