You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethoxy-[5-ethoxycarbonyl-2-(1H-imidazol-3-ium-3-ylmethyl)-6-methyl-4-(3-nitrophenyl)-4H-pyridin-3-ylidene]methanolate is the IUPAC name of a molecule. Please give its SMILES representation.
user