A thiophene-based azacryptand Mannich base: 18,24-bis(<i>p</i>-tolylsulfonamido)-2,5,8,11,21-pentaoxa-15,27-dithia-18,24-diazatricyclo[24.3.0.0]nonacosa-1(26),12(16),13,28-tetraene
Acta crystallographica. Section E