You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[1-(3,4-dimethoxyphenyl)-3-(2-methylpyrrol-2-yl)pentan-3-yl]oxy-5-phenyl-1,2,4-thiadiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H29N3O3S
assistant