Cc1ccc(-c2cnc(NC3OC(COC(=O)c4ccccc4)C(OC(=O)c4ccccc4)C(OC(=O)c4ccccc4)C3OC(=O)c3ccccc3)s2)cc1
All atoms other than hydrogen are referred to be heavy atoms. How many heavy atoms are there in the molecule?