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.

Example Input: The effect of histamine-H1 receptor antagonism with terfenadine on concentration-related AMP-induced bronchoconstriction in asthma.
Example Output: terfenadine

Example Input: Aspirin and sodium salicylate inhibit endothelin ETA receptors by an allosteric type of mechanism.
Example Output: sodium salicylate

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