You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-2-[[2-(2-ethoxy-N-(4-methylsulfanylphenyl)sulfonylanilino)acetyl]-[(3-methoxyphenyl)methyl]amino]-N-(2-methylpropyl)-3-phenylpropanamide into molecular formula.
user
C38H45N3O6S2
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