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 1-[4-[2-(2-fluorophenoxy)acetyl]piperazin-1-yl]-2-morpholin-4-ylethane-1,2-dione is given. What is its corresponding molecular formula?
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C18H22FN3O5
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