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-[4-[4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)phenyl]sulfonylpiperazin-1-yl]-2-oxoethyl] acetate is given. What is its corresponding molecular formula?
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C25H32N6O7S
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