You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4R,7R,8S,9S,11E,13Z,15S,16R)-4-hydroxy-15-methoxy-7,8,9,13-tetramethyl-16-[(E)-1-(2-methyl-1,3-oxazol-4-yl)prop-1-en-2-yl]-1-oxacyclohexadeca-11,13-diene-2,6-dione .
user
C27H39NO6
assistant