Best advice and Configuration need for the Scenario

Hi, All the valuable members and experts of the forum,
I need your kind help and advice for configuration of the scenario on the image if possible.
I’ve 3X Mikrotik Basebox 5(5GHz) AP with 18dBi, 90 Degree RFelements Mimo Sector Antenna Mount on a 90Feet high tower, 1X Mikrotik RB2011UiAS-RM ( As Principal Router to manage client’s IP addresses, Bandwidth, Traffic Prioritization etc.), 1X SXT Lite5 (5GHz) CPE, 1X Mikrotik RB951Ui-2Hnd. As my CPE is 5GHz, I want to use RB951-Ui-2Hnd to connect 4 of Desktop PC’s through the Lan Port of the router(RB951Ui-2Hnd) and some of Laptop/Smart Phones which are approximately 50 to 100 Feet away from the router(RB951Ui-2Hnd). I want whenever my Laptop/Smart Phone clients search for WLAN, the SSID will show and when they select the SSID, it will automatically redirect to an Web Base Login Interface. After login with the correct UserID and Password (provided by me), clients can start using internet.

Is it possible which I’ve mentioned on my Scenario? If possible, Please advice me for the best configuration step by step guide link.
Please help me.

A lot of Thanks for reading.
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