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-morpholin-3-yl-N-[(2,4,5-trimethoxyphenyl)methyl]cyclopentan-1-amine;hydrochloride is given. What is its corresponding molecular formula?
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C19H31ClN2O4
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