You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl (3R)-4-[[3-[2-(4-formylpiperazin-1-yl)-2-oxoacetyl]-1H-indol-7-yl]amino]-3-(2-hydroxypropan-2-yloxy)-4-oxobutanoate by IUPAC nomenclature, provide its molecular formula.
user
C23H28N4O8
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