Which synthesis will yield cyclopentanone from 1-methylcyclopentane? t-BuOk followed by 1. Hg(OAc)2,H2O:2.NaBH4 1. Br2/CCl4;2.5NaNH2;3.H2O t-BuOk followed by 1. Hg(OAC)2,H2O32,NaBH4 Br2/ hv , followed by KOtBu, followed by 1.O3;2, DMS NaOEt followed by 1. Hg(OAc)2,H2O;2.NaBH4