instruction:
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.
question:
Effect of chronic renal failure on arginase and argininosuccinate synthetase expression.
answer:
argininosuccinate


question:
Activation of the anti-cancer agent upamostat by the mARC enzyme system.
answer:
upamostat


question:
Effects of the EGFR/HER2 kinase inhibitor GW572016 on EGFR- and HER2-overexpressing breast cancer cell line proliferation, radiosensitization, and resistance.
answer:

GW572016