Want to migrate custom CMS to Wordpress

Please read below carefully before bidding for project. A. Require migration of site developed in custom CMS, we don't have much of details about CMS, There is no export option like .xml. We are not working with developer anymore so cant help out more. Site is live and running well. B. it has 200 pages, migration is much of manual work, need same content, images, media and other relevant stuff. C. Need same URL for every page or at least proper url redirection D. We have already selected theme from themeforest, just need theme implementation with minor modification. E. Deadline for work is 3 Days. Need website before deadline whatsoever. F. The first payment will not be more than 15-20%, we will be happy to pay milestone payment as site progress. Please bid for project only if you have done similar work and have ample time to devote to this project. Regards, SoftSolution