ACP-105
ACP-105 is a drug which acts as a selective androgen receptor modulator (SARM). It has been investigated for the treatment of age-related cognitive decline. Pre-clinical research 
ACP-105 has been found to reduce anxiety-like behaviour in a mouse model of alzhiemer's disease when administered alone, as well as enhance spatial memory when co-administered with the selective estrogen receptor β AC-186. References 

Selective androgen receptor modulators
Chloroarenes
Nitrogen heterocycles
Heterocyclic compounds with 2 rings
Nitriles
Tertiary alcohols