What is the molecular formula of the molecule identified by (2S)-N-[(2S)-1-amino-3-(1H-indol-3-yl)-1-oxopropan-2-yl]-2-[[(2S)-2-[[(2S)-2-amino-3-(1H-indol-3-yl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanamide ?