You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-[(1S,3S)-2-[2-[(1S,3S)-1,3-bis[2-(ethylcarbamoyl)phenyl]-5,8-dioxo-1,3,6,7-tetrahydro-[1,2,4]diazaphospholo[1,2-a]pyridazin-2-yl]phenyl]-3-[2-(ethylcarbamoyl)phenyl]-5,8-dioxo-1,3,6,7-tetrahydro-[1,2,4]diazaphospholo[1,2-a]pyridazin-1-yl]-N-ethylbenzamide is given. What is its corresponding molecular formula?
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C54H56N8O8P2
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