You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-fluorophenyl)sulfonylamino]-N-(5-thia-3-azatetracyclo[6.6.1.02,6.011,15]pentadeca-1(14),2(6),3,7,11(15),12-hexaen-4-yl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H18FN3O3S2
assistant