[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][C][=Branch1][Branch1][=N][N][Ring1][Branch1][N][C][=C][C][=Branch2][Ring1][=N][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][S][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][C][C][Ring1][Ring1][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C].[C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is the lactate salt of tozasertib, a synthetic, small-molecule Aurora kinase inhibitor with potential antitumor activity. Tozasertib binds to and inhibits Aurora kinases (AKs), thereby inducing apoptosis in tumor cells in which AKs are overexpressed. AKs, a family of serine-threonine kinases, are essential for mitotic progression, spindle formation, centrosome maturation, chromosomal segregation, and cytokinesis."}]