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 3-amino-N-(4-ethoxyphenyl)-4-(5-methylfuran-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide ?
user
C25H25N3O3S
assistant