(1S,2R,18R,19R,22S,25R,28R,40S)-22-(2-amino-2-oxoethyl)-5,15-dichloro-2,18,32,35,37,48-hexahydroxy-19-{[(2R)-4-methyl-2-(methylamino)pentanoyl]amino}-20,23,26,42,44-pentaoxo-7,13-dioxa-21,24,27,41,43-pentaazaoctacyclo[26.14.2.2~3,6~.2~14,17~.1~8,12~.1~29