You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[4-[3-chloro-4-(pyridin-2-ylmethoxy)anilino]-7-[2-[(1S,5R)-3-methyl-3-azabicyclo[3.1.0]hexan-6-yl]ethynyl]quinazolin-6-yl]prop-2-enamide by IUPAC nomenclature, provide its molecular formula.
user
C31H27ClN6O2
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