You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2-ethoxy-2-oxoethyl) (E)-3-[4-[[1-[[2-(5-chloropyrimidin-2-yl)-3-cyclopentyl-1-methylindole-6-carbonyl]amino]cyclobutanecarbonyl]amino]-2-ethoxyphenyl]prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H42ClN5O7
assistant