CC(C)(C)c1ccc(OCCOCCOc2ccc(C(C)(C)C)cc2S(=O)(=O)Nc2ccc([N+](=O)[O-])cc2)c(S(=O)(=O)Nc2ccc([N+](=O)[O-])cc2)c1
All atoms other than hydrogen are referred to be heavy atoms. How many heavy atoms are there in the molecule?