You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6R)-4-oxo-N-(2-phenylethyl)-2-phenylimino-3-(3-phenylpropyl)-1,3-thiazinane-6-carboxamide into its molecular formula.
user
C28H29N3O2S
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