You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
gallium-68(3+);2-[4,7,10-tris(carboxymethyl)-6-[[4-[2-(2-nitroimidazol-1-yl)ethylcarbamothioylamino]phenyl]methyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H41GaN9O10S+3
assistant