You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-hydroxy-6-(3-methylphenyl)-2-[3-(2-methylphosphanylphenoxy)phenyl]cyclohexa-1,3-diene-1-carboxylic acid into its molecular formula.
user
C27H25O4P
assistant