Indeno[5,6-b]azepine-1(2H)-carboxylic acid,5-[[[3,5-bis(trifluoromethyl)phenyl]methyl][2-(2-hydroxyethyl)-2H-tetrazol-5-yl]amino]-3,4,5,7,8,9-hexahydro-, 1-methylethyl ester, (5S)-