You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[4-[[4-(4-aminophenyl)sulfanyl-3-[(7-propan-2-ylpyrido[2,3-d]pyrimidin-4-yl)amino]benzoyl]amino]phenyl]carbamoyl]-2-benzylpyrrolidine-1-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H40N8O4S
assistant