You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(ethoxymethyl)pyridin-1-ium-3-carboxamide;1-[[4-(4-methylnonyl)-8-pentyltetradecoxy]methyl]pyridin-1-ium-3-carboxamide;yttrium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H78N4O4Y
assistant