You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-[3-[1-[5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]-2,4-dioxopyrimidin-5-yl]prop-2-enylamino]-2-oxoethyl]sulfanyl-2,3,5-trichloro-6-(3-oxa-25-aza-9-azoniaheptacyclo[18.8.1.15,9.02,18.04,16.025,29.014,30]triaconta-1(29),2(18),4,9(30),14,16,19-heptaen-17-yl)benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C69H67Cl3N5O11S+
assistant