You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [4-[[(2S)-2-[[(2S)-2-amino-3-methylbutanoyl]amino]-5-(carbamoylamino)pentanoyl]amino]phenyl]methyl N-[(2S)-1-[[(1S,2S,10R,12S)-12,18-dihydroxy-7,17-dimethoxy-6,16,21-trimethyl-5,8-dioxo-11,21-diazapentacyclo[11.7.1.02,11.04,9.015,20]henicosa-4(9),6,15,17,19-pentaen-10-yl]methylamino]-1-oxopropan-2-yl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C47H63N9O12
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