CPZ
ATOM  C11  C10  C9   C8   C7   C6   C4   C2   N1   C5 
ATOM  N3  CL  
CONNECT -  C11  C10  C9  C8  C7  C6  C11 +
CONNECT  C9  CL
CONNECT  C6   C4  C2  N1  C5  N3  C4