Name the molecular formula for the molecule established as methyl 3-[6-ethyl-4-[4-methyl-3-[[6-(2,2,2-trifluoroethoxymethyl)imidazo[1,2-a]pyridine-3-carbonyl]amino]phenyl]-6H-1,3-oxazin-2-yl]azetidine-1-carboxylate using the IUPAC nomenclature.