You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R,2R)-4-[(2R)-2-[(1R,9S,12S,15R,16E,18S,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18-dihydroxy-19-(hydroxymethyl)-30-methoxy-15,17,21,23,29,35-hexamethyl-2,3,10,14,20-pentaoxo-11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraen-12-yl]propyl]-2-methoxycyclohexyl] 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C56H87NO16
assistant