In this task, you are given a sentence. You are expected to recognize the name of any form of chemical substances. Although there might be several correct answers, you need to write one of them.

Ex Input:
Immunoregulatory effects of Glycyrrhizic acid exerts anti-asthmatic effects via modulation of Th1/Th2 cytokines and enhancement of CD4(+)CD25(+)Foxp3(+) regulatory T cells in ovalbumin-sensitized mice.

Ex Output:
Glycyrrhizic acid

Ex Input:
Breast cancer and steroid metabolizing enzymes: the role of progestogens.

Ex Output:
steroid

Ex Input:
Evaluation of drug interactions of GSK1292263 (a GPR119 agonist) with statins: from in vitro data to clinical study design.

Ex Output:
GSK1292263