Using COc1ccccc1CN[C@H]1CCCN(CCCC#N)[C@H]1c1ccccc1 to produce COc1ccccc1CN[C@H]1CCCN(CCCCN)[C@H]1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.