You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-[(3-fluorophenoxy)methyl]-1,3-oxazol-4-yl]-[(2R)-2-thiophen-2-ylazetidin-1-yl]methanone .
user
C18H15FN2O3S
assistant