You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
butane;2-(4-ethylsilyloxyphenyl)-3-[[4-(2-piperidin-1-ylethoxy)phenyl]methyl]-1-benzofuran-6-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H45NO4Si
assistant