1-{[(1S)-2-[(2S,3aS,4aS)-2-cyano-2,3,3a,4a-tetrahydro-1H-cyclopropa[1,2-b]pyrrol-1-yl]-1-(3-hydroxytricyclo[3.3.1.13,7]decan-1-yl)-2-oxoethyl]amino}-N-[(1S)-2-[(2S,3aS,4aS)-2-cyano-2,3,3a,4a-tetrahydro-1H-cyclopropa[1,2-b]pyrrol-1-yl]-1-(1-hydroxytricyclo[3.3.1.13,7]decan-5-yl)-2-oxoethyl]methanamide