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 methyl 5-[33-(5-thiophen-2-ylthiophen-2-yl)-33-heptadecacyclo[9.7.7.719,25.413,17.321,23.111,25.03,31.05,30.07,28.09,26.015,38.020,37.022,39.024,40.027,34.029,35.032,36]tetraconta-1(18),3,5,7,9,13(40),14,17(37),19,21,23,26,28,30,32(36),34,38-heptadecaenyl]pentanoate .
user
C54H28O2S2
assistant