You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[[(5R)-3-(3,4-dimethoxyphenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]-3-propan-2-yl-1-prop-2-enylurea is given. What is its corresponding molecular formula?
user
C19H27N3O4
assistant