Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
7:14conversus autem populus meus super quos invocatum est nomen meum deprecatus me fuerit et exquisierit faciem meam et egerit paenitentiam a viis suis pessimis et ego exaudiam de caelo et propitius ero peccatis eorum et sanabo terram eorum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.