Insert Data in multichoice field Zoho lead through XML API

How can i insert values in multi choice field through XML in Zoho Lead.

my current xml is:-

    '<Leads>'
        .'<row no="1">'
        .'<FL val="Company">cp</FL>'
        .'<FL val="First Name">'.$firstname.'</FL>'
        .'<FL val="Last Name">'.$lastname.'</FL>'
        .'<FL val="Email">'.$emailUser.'</FL>'
        .'<FL val="Mobile">'.$mobilewithCode.'</FL>'
        .'<FL val="Salutation">'.$salutation.'</FL>'
        .'<FL val="Country">'.$country.'</FL>'
        .'<FL val="Country">'.$services.'</FL>'
        .'</row>'
    .'</Leads>';

Where service is multichoice';' separated field.