You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(7-chloro-2-methyl-1-benzofuran-5-yl)-3-(2-chlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H14Cl2N2O3
assistant