6-[Cyclopropyl-(3-methoxy-2-methylbenzyl)carbamoyl]-7-{2-[2-(2,6-dichloro-4-methylphenoxy)ethoxy]thiazol-5-yl}-3,9-diazabicyclo[3.3.1]non-6-ene-3,9-dicarboxylic acid di-tert-butyl ester