You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4-oxo-2,3-dihydro-1H-cyclopenta[c]chromen-7-yl) 2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H27NO6
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