Using N#CN, Nc1ccccc1C(=O)C1CCN(C(=O)c2ccccc2)CC1 to produce Nc1nc(C2CCN(C(=O)c3ccccc3)CC2)c2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.