You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(4S,5R)-4-(prop-2-enoxymethyl)-6-oxa-9-azaspiro[4.5]decan-9-yl]-(1,3-thiazol-4-yl)methanone by IUPAC nomenclature, provide its molecular formula.
user
C16H22N2O3S
assistant