You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2-cyanooxolan-2-yl]methyl icosyl hydrogen phosphite;3-chloro-5-(hydroxymethyl)benzonitrile by IUPAC nomenclature, provide its molecular formula.
user
C40H60ClN6O5P
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