CN(CCCNC(=O)c1nn(-c2ccc(Cl)cc2Cl)c2c1ccc1ccccc12)CCCNC(=O)c1nn(-c2ccc(Cl)cc2Cl)c2c1ccc1ccccc12.Cl
All atoms other than hydrogen are referred to be heavy atoms. How many heavy atoms are there in the molecule?