Following iRule not working in my setup please correct mistake if found

Hello can somebody help me for below rule

when HTTP_REQUEST {

if {[string tolower [HTTP::host]] equals “abc.xyz.com”}{ 

    if { ([string tolower [HTTP::uri]] starts_with "/media") or ([string tolower [HTTP::uri]] starts_with "/mediaupload") or ([string tolower [HTTP::uri]] starts_with "/webchat") or ([string tolower [HTTP::uri]] starts_with "/webtrak") }{ 

              pool test1

} } elseif { [string tolower [HTTP::host]] equals “def.xyz.com” } { pool test2_pool } elseif { [string tolower [HTTP::host]] equals “ghi.xyz.com” } { pool test2_pool } elseif { [string tolower [HTTP::host]] equals “klm.xyz.com" } { pool test3_pool } elseif { [string tolower [HTTP::host]] equals “nop.xyz.com” } { pool test4_pool } elseif { [string tolower [HTTP::host]] equals “qrt.xyz.com” } { pool test5_pool } else { pool UAT_pool } }