You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-methoxyethyl (6R)-3-cyclopropyl-6-(2,3-dimethoxyphenyl)-4-methyl-2-sulfanylidene-1,6-dihydropyrimidine-5-carboxylate ?
user
C20H26N2O5S
assistant