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

Ex Input:
Synergistic enhancement of cancer therapy using a combination of heat shock protein targeted HPMA copolymer-drug conjugates and gold nanorod induced hyperthermia.

Ex Output:
heat shock protein


Ex Input:
Tumor necrosis factor-alpha potentiates the cytotoxicity of amiodarone in Hepa1c1c7 cells: roles of caspase activation and oxidative stress.

Ex Output:
caspase


Ex Input:
Crystal structure of pyridoxal kinase in complex with roscovitine and derivatives.

Ex Output:

pyridoxal kinase