Using O=C1CC[C@H]2CCCN(Cc3ccccc3)[C@@H]2C1, NO to produce ON=C1CC[C@H]2CCCN(Cc3ccccc3)[C@@H]2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.