You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1,3-diamino-1-[2-[[4-(1-hydroxy-3-oxobut-1-enyl)-2,5-dimethylphenoxy]methyl]-3-methylphenyl]-3-methylurea ?
user
C22H28N4O4
assistant