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 4-[[2-(morpholin-4-ylmethyl)-6-nitrophenyl]methylamino]-2-pyridin-4-yl-1,3-thiazole-5-carboxylic acid ?
user
C21H21N5O5S
assistant