CC(C)C[C@H]1CNC(=S)N1CC1CCCN1C[C@H](CC(C)C)N1C[C@H](CC(C)C)N(CCc2ccccc2)C1=S
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?