You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[3-[6-[3-[2-[3,5-bis(5-ethynyl-1,3-dioxoisoindol-2-yl)phenyl]-[1,3]oxazolo[5,4-f][1,3]benzoxazol-6-yl]phenyl]-[1,3]oxazolo[5,4-f][1,3]benzoxazol-2-yl]-5-(5-ethynyl-1,3-dioxoisoindol-2-yl)phenyl]-5-ethynylisoindole-1,3-dione;1-[3-[6-[3-[2-[3,5-bis[(3-ethynylphenyl)carbamoylamino]phenyl]-[1,3]oxazolo[5,4-f][1,3]benzoxazol-6-yl]phenyl]-[1,3]oxazolo[5,4-f][1,3]benzoxazol-2-yl]-5-[(3-ethynylphenyl)carbamoylamino]phenyl]-3-(3-ethynylphenyl)urea into molecular formula.
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C144H72N20O20
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