Using O=C1CN2CCC1CC2, O=[N+]([O-])c1ccc2[nH]ccc2c1 to produce O=[N+]([O-])c1ccc2[nH]cc(C3=CN4CCC3CC4)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.