You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-3-[(2S,3S)-3-[[(2S)-3,3-dimethyl-2-[[(2S)-2-(2-methylpropanoylamino)-2-phenylacetyl]amino]butanoyl]amino]-2-hydroxy-4-phenylbutanoyl]-5,5-dimethyl-N-(2-methylpropyl)-1,3-thiazolidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H55N5O6S
assistant