2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/229869We present cosmological solutions from the dimensionally reduced Chern-Simons term and obtain the smooth transition solution from the decelerated phase (AdS) to the accelerated phase (dS).3 pages, minor changes, references added, version to appear in PRDGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - Theorytext