You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 3-[4-[2-[2-(2-aminoethyl)-1-benzhydryl-5-chloroindol-3-yl]ethylsulfonyl]phenyl]-2,2-dimethylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H41ClN2O4S
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