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Under IUPAC nomenclature, a molecule named 15-O-[11-[[ethyl(methyl)amino]methyl]-21-(3-pentyloctanoyloxy)henicosyl] 1-O-[21-[6-ethyl-7-methyl-11-[2-[11-[[2-[methyl(propan-2-yl)amino]acetyl]amino]-21-oxo-21-(3-pentyloctoxy)henicosanoyl]oxyethyl]-3-pentylhexadecanoyl]oxy-11-[(4-methylpiperazin-1-yl)methyl]henicosyl] 7-methyl-3,13-dipentylpentadecanedioate is given. What is its corresponding molecular formula?
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C157H305N5O13
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