You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S,3R)-3-(3,4-dimethoxyphenyl)-4-[[1-(2-methoxyethyl)imidazol-2-yl]methyl]morpholin-2-yl]methanol is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H29N3O5
assistant