You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-(furan-2-yl)-5-[(4-phenylmethoxyphenyl)methylamino]-1,2,4-triazol-1-yl]-(4-nitrophenyl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21N5O5
assistant