You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1S,3R,4R,5R,6R,7S,8R,11R,12R,15S,16R,17E)-12-ethyl-6-hydroxy-15-[(1R)-1-hydroxypropyl]-5-(methoxymethyl)-16,18-dimethyl-13-oxo-2,14-dioxatetracyclo[9.7.0.01,7.03,8]octadeca-9,17-dien-4-yl] 5-methyl-1H-pyrrole-2-carboxylate into molecular formula.
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C31H43NO8
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