You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[7-hydroxy-8-(hydroxymethyl)-4a,8-dimethyl-2-thiophen-3-yl-4,5,6,7,8a,9-hexahydrobenzo[f][1,3]benzothiazol-4-yl]-N-(3-hydroxyphenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H30N2O4S2
assistant