CC(C)(C)OC(=O)NCc1ccc(NC(=O)c2[nH]cnc2C(=O)NCCCNC(=O)c2nc[nH]c2C(=O)Nc2ccc(CNC(=O)OC(C)(C)C)cc2)cc1
How many heavy atoms like carbon, oxygen, nitrogen, sulfur and other non-hydrogen atoms do the molecule contain?