(2S)-2-amino-N-[(2S)-1-[[3-[(5S)-5-ethyl-5-hydroxy-6,10-dioxo-7,18,20-trioxa-11,24-diazahexacyclo[11.11.0.02,11.04,9.015,23.017,21]tetracosa-1(24),2,4(9),13,15,17(21),22-heptaen-14-yl]-1-bicyclo[1.1.1]pentanyl]amino]-1-oxopropan-2-yl]-3-methylbutanamide