You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-[(1E,3E,5E)-5-[3-(2-formyloxyethyl)phenanthro[9,10-d][1,3]thiazol-2-ylidene]penta-1,3-dienyl]-3,3-dimethylphenanthro[9,10-b]pyrrol-1-ium-1-yl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C44H37N2O4S+
assistant