You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[1-[1-(1-aminoethyl)-2H-benzotriazol-1-ium-5-yl]-1,2,4-triazol-3-yl]-2-methylphenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18N7O+
assistant