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 [2-[(4R,5R)-5-(3-carbamoyl-4H-pyridin-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2-methoxyethoxy]-oxo-phenoxyphosphanium ?
user
C20H26N2O7P+
assistant