You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3-amino-6-methoxythieno[2,3-b]quinolin-2-yl)-[4-(2-methoxycyclohexa-1,5-dien-1-yl)piperazin-1-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C24H26N4O3S
assistant