my $response = $browser->post( 'http://enm.lobos.nih.gov/prep_job.php', [ "upload"=> ["C:\\protean\\1o1l\\1o1l.pdb"], "jobname"=> "PRT1", "case" => "2", "email" => "email\@gmail.com", "optin" => "true", "upload2"=> ["C:\\protean\\1o1l\\1o1l.pdb"], ], 'Content_Type' => 'form-data', );