You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-[2-(4,5-dihydro-1,3-thiazol-2-ylamino)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-1-methoxynaphthalene-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H17N5O3S3
assistant