You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3R)-2-hydroxy-3-[[3-methyl-4-(methylaminomethyl)benzoyl]amino]-3,4-dihydro-1,2-benzoxaborinine-8-carboxylic acid .
user
C19H21BN2O5
assistant