RESIDUE ACT 7 CONECT C 3 O OXT CH3 CONECT O 1 C CONECT OXT 1 C CONECT CH3 4 C 1H 2H 3H CONECT 1H 1 CH3 CONECT 2H 1 CH3 CONECT 3H 1 CH3 END HET ACT 7 HETNAM ACT ACETATE ION FORMUL ACT C2 H3 O2 1-