You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[9-[2-[4-[[2-[3,4-bis(4-methoxyphenyl)-1,2-oxazol-5-yl]acetyl]amino]butylcarbamoyl]phenyl]-6-(ethylamino)-2,7-dimethylxanthen-3-ylidene]-ethylazanium;chloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C49H52ClN5O6
assistant