Using Brc1ccc2nc(N3CCN(C4CCCC4)CC3)sc2c1, N#C[Cu] to produce N#Cc1ccc2nc(N3CCN(C4CCCC4)CC3)sc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.