You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (6,14-dihydroxy-7,11,29,29-tetramethyl-8,9,17,25-tetraoxo-3,16,26-trioxahexacyclo[13.12.1.110,14.01,4.07,28.018,23]nonacosa-18,20,22-trien-12-yl) 2-hydroxy-3-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoate by IUPAC nomenclature, provide its molecular formula.
user
C44H53NO14
assistant