You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[9-[5-(dimethylamino)-4-[ethyl-[4-[5-[(2-methylpropan-2-yl)oxycarbonylamino]pentylamino]-4-oxobutyl]amino]-2-methoxyphenyl]-6-methoxyxanthen-3-ylidene]-dimethylazanium is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H58N5O6+
assistant