You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[(5-methyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carbonyl)amino]methyl]morpholine-4-carboxamide into molecular formula.
user
C16H23N3O3S
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