You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,4aS,5S,7R,7aS)-7-hydroxy-7-methyl-1-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4a,5,6,7a-tetrahydro-1H-cyclopenta[c]pyran-5-yl] 3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H32O12
assistant