Cc1ccc(C2(C)CC/C(=N/N=C3/CCC(C)(c4ccc(C)c(C)c4)c4cc(C)c(C)cc43)c3cc(C)c(C)cc32)cc1C
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?