{TAIL ~ The curable composition} 1, wherein the organopolysiloxane is a reaction product of a mixture comprising a compound of {HEAD ~ Formula} 5; and an organopolysiloxane represented by an average composition formula of Formula 6 or 7: 
{ TAIL ~ The curable composition } 1 , wherein the organopolysiloxane is a reaction product of a mixture comprising a compound of { HEAD ~ Formula } 5 ; and an organopolysiloxane represented by an average composition formula of Formula 6 or 7 :
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH