RESIDUE ACM 9 CONECT C1 3 O N C2 CONECT O 1 C1 CONECT N 3 C1 HN1 HN2 CONECT C2 4 C1 H21 H22 H23 CONECT HN1 1 N CONECT HN2 1 N CONECT H21 1 C2 CONECT H22 1 C2 CONECT H23 1 C2 END HET ACM 9 HETNAM ACM ACETAMIDE FORMUL ACM C2 H5 N1 O1