You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1R)-cyclopent-2-en-1-yl]-N-[(4-phenyl-1,2,4-triazol-3-yl)methyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H18N4O
assistant