You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[(3-bromo-5-methoxy-4-prop-2-ynoxyphenyl)methylideneamino]-N-(2,5-dimethylphenyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide .
user
C30H31BrN2O3S
assistant