You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-amino-3-[5-(3-chlorophenyl)furan-2-yl]-N-(cyclopropylmethyl)-1,2-oxazole-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H16ClN3O3
assistant