(4S)-4-[({2-[({2-[2-({[({[(1R,8S,9R)-bicyclo[6.1.0]non-4-yn-9-yl]methoxy}carbonyl)amino]sulfonyl}amino)ethoxy]ethoxy}carbonyl)[2-({[(1S)-3-carboxy-1-{[(1S)-1-{[(1S)-1-({4-[({[(10S,23S)-10-ethyl-18-fluoro-10-hydroxy-19-methyl-5,9-dioxo-8-oxa-4,15-diazahexacyclo[14.7.1.0²,¹⁴.0⁴,¹³.0⁶,¹¹.0²⁰,²⁴]tetracosa-1,6(11),12,14,16,18,20(24)-heptaen-23-yl]carbamoyl}oxy)methyl]phenyl}carbamoyl)ethyl]carbamoyl}-2-methylpropyl]carbamoyl}propyl]carbamoyl}oxy)ethyl]amino]ethoxy}carbonyl)amino]-4-{[(1S)-1-{[(1S)-1-({4-[({[(10S,23S)-10-ethyl-18-fluoro-10-hydroxy-19-methyl-5,9-dioxo-8-oxa-4,15-diazahexacyclo[14.7.1.0²,¹⁴.0⁴,¹³.0⁶,¹¹.0²⁰,²⁴]tetracosa-1,6(11),12,14,16,18,20(24)-heptaen-23-yl]carbamoyl}oxy)methyl]phenyl}carbamoyl)ethyl]carbamoyl}-2-methylpropyl]carbamoyl}butanoic acid