You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(10R)-4,12-diacetyloxy-15-(3-benzamido-2-hydroxy-3-phenylpropanoyl)oxy-1-hydroxy-10,14,17,17-tetramethyl-9-methylsulfonyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H53NO15S
assistant