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.

Example Input: Tamsulosin, the first prostate-selective alpha 1A-adrenoceptor antagonist. A meta-analysis of two randomized, placebo-controlled, multicentre studies in patients with benign prostatic obstruction (symptomatic BPH). European Tamsulosin Study Group.
Example Output: alpha 1A-adrenoceptor

Example Input: Severe impairment of salivation in Na+/K+/2Cl- cotransporter (NKCC1)-deficient mice.
Example Output: Na+/K+/2Cl- cotransporter

Example Input: Comparative study on transcriptional activity of 17 parabens mediated by estrogen receptor and and androgen receptor.
Example Output:
estrogen receptor and