Cc1cc(C)nc(NS(=O)(=O)c2ccc(Nc3c4ccc(Cl)cc4nc4c(C(=O)NCCN(C)C)cccc34)cc2)n1
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?