You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1'-[[4-(5-amino-2H-pyrrol-3-yl)phenyl]methyl]spiro[3,7-dihydro-2H-furo[2,3-g][1,4]benzodioxine-8,3'-indole]-2'-one ?
user
C28H23N3O4
assistant