CCCCNC(=O)C(C)N(CCN(C)C)C(=O)CCCN1C(=O)NC(c2ccc([N+](=O)[O-])cc2)C(C(=O)OCc2ccccc2)=C1C
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?