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.

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

Output: human alpha 2C-adrenoceptor


Input: Consider Input: Comparative effects of three different potent renin inhibitors in primates.

Output: renin


Input: Consider Input: Association of DRD2 polymorphisms and chlorpromazine-induced extrapyramidal syndrome in Chinese schizophrenic patients.


Output: DRD2