Using O=[N+]([O-])c1ccc(CCN2CCNCC2)cc1, Cc1cc(CC=O)ccc1C#N to produce Cc1cc(CCN2CCN(CCc3ccc([N+](=O)[O-])cc3)CC2)ccc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.