You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-(2-chloro-4-ethoxyphenyl)-N-[4-methyl-2-(4-pyrrolidin-1-ylpiperidin-1-yl)quinolin-6-yl]prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H35ClN4O2
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