Using O=[N+]([O-])c1ccc(C2CCNCC2)cc1, O=C1CCCC1 to produce O=[N+]([O-])c1ccc(C2CCN(C3CCCC3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.