Cc1ccc([N+](=O)[O-])c2c(NCCNC(=O)c3cc(C(=O)NCCNc4ccnc5c(C)ccc([N+](=O)[O-])c45)n(C)n3)ccnc12.Cl
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?