2-{5-[({7,17,24,31,34,39,40,41,42,43-Decaaza-8-[4-(N-{2-[(tert-butyl)oxycarbonyl]ethyl}carbamoyl)(1,3-thiazol-2-yl)]-35-(hydroxyphenylmethyl)-21-methyl-18-[(N-methylcarbamoyl)methyl]-25-(methylethyl)-16,23,30,33-tetraoxo-3,13,20,27,37-pentathiaheptacyclo[34.2.1.1<2,5