RESIDUE   CNN      5
CONECT      N1     3 C    HN11 HN12
CONECT      C      2 N1   N2  
CONECT      N2     1 C   
CONECT      HN11   1 N1  
CONECT      HN12   1 N1  
END   
HET    CNN              5
HETNAM     CNN CYANAMIDE
FORMUL      CNN    C1 H2 N2