You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3R)-5-chloro-3-hydroxy-3-[(E,2S)-6-[(3S)-3-(hydroxymethyl)-3,4-dihydro-1H-isoquinolin-2-yl]-6-oxohex-3-en-2-yl]-1-[[4-(2-oxopiperazin-1-yl)phenyl]methyl]indol-2-one by IUPAC nomenclature, provide its molecular formula.
user
C35H37ClN4O5
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