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:
On the relationship between the dopamine transporter and the reinforcing effects of local anesthetics in rhesus monkeys: practical and theoretical concerns.

Ex Output:
dopamine transporter


Ex Input:
Effect of lintitript, a new CCK-A receptor antagonist, on gastric emptying of a solid-liquid meal in humans.

Ex Output:
CCK-A receptor


Ex Input:
Yohimbine dimers exhibiting selectivity for the human alpha 2C-adrenoceptor subtype.

Ex Output:

human alpha 2C-adrenoceptor