RESIDUE   ACY      8
CONECT      C      3 O    OXT  CH3 
CONECT      O      1 C   
CONECT      OXT    2 C    HXT 
CONECT      CH3    4 C    H1   H2   H3  
CONECT      HXT    1 OXT 
CONECT      H1     1 CH3 
CONECT      H2     1 CH3 
CONECT      H3     1 CH3 
END   
HET    ACY              8
HETNAM     ACY ACETIC ACID
FORMUL      ACY    C2 H4 O2