Using CN1CCNCC1, COc1c(C(=O)O)cccc1[N+](=O)[O-] to produce COc1c(C(=O)N2CCN(C)CC2)cccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.