SMILES: CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)CCCC(=O)C(=O)O)SC1)C(=O)O
Description: The molecule is a cephalosporin having an acetoxy group at the 3-position and a 5-carboxy-5-oxopentanamido group at the 7-position. It is a conjugate acid of a (7R)-7-(5-carboxy-5-oxopentanamido)cephalosporanate(2-).