CCCCCCC(=O)O[C@H]1CC[C@H]2[C@@H]3CCC4C/C(=N/NC(=O)c5cccc6c(=O)c7ccccc7[nH]c56)C=C(C)[C@]4(C)[C@H]3CC[C@]12C
Heavy atom refers to any atom that is not hydrogen. How many heavy atoms do the molecule have?