Showing structure for n-methyl-n-{10,18,21-trihydroxy-2,16-dioxo-1,9,15-triazapentacyclo[17.6.1.0³,⁸.0¹¹,¹⁵.0²⁰,²⁵]hexacosa-3,5,7,9,19(26),20,22,24-octaen-17-yl}acetamide