You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 7,37,44-trimethoxy-9,12,32,35,45,48-hexaoxa-18,21,24,26-tetraza-25-phosphaundecacyclo[22.20.9.38,39.213,16.221,26.228,31.249,52.136,40.03,42.018,25.05,58]pentahexaconta-1(44),2,5,7,13,15,28(61),29,31(60),36,38,40(56),42,49(55),50,52(54),58,64-octadecaene .
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C57H63N4O9P
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