You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl (2S)-2-[[2-[(Z)-[(8S,9S,10S,11R,13R,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-ylidene]amino]oxyacetyl]amino]-3-(1H-imidazol-5-yl)propanoate by IUPAC nomenclature, provide its molecular formula.
user
C30H42N4O8
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