You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-[4-amino-2-(2-morpholin-4-ylethyl)phenyl]-7-methoxy-1H-benzimidazole-4-carboxylic acid using the IUPAC nomenclature.
user
C21H24N4O4
assistant