You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by N-tert-butyl-5-[[1-(3,4-dihydro-2H-chromen-6-yl)cyclopropanecarbonyl]amino]-2,3-dihydro-1H-indole-2-carboxamide ?
user
C26H31N3O3
assistant