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 6-[[5-(4-aminoquinazolin-6-yl)thiophen-2-yl]methylamino]-5-[[(1S)-1-(3,4-difluorophenyl)ethyl]carbamoyl]pyridine-3-carboxylic acid ?
user
C28H22F2N6O3S
assistant