You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R)-3-methyl-1-[[3-(naphthalen-2-ylmethyl)-4,5-dihydro-1,2-oxazole-5-carbonyl]amino]butyl]boronic acid by IUPAC nomenclature, provide its molecular formula.
user
C20H25BN2O4
assistant