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-[2-(4-ethoxyphenyl)-3-thiophen-2-yl-3,4-dihydropyrazol-5-yl]ethanamine is given. What is its corresponding molecular formula?
user
C17H21N3OS
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