Celtic manager Ange Postecoglou remains hopeful they can sign Jota and on-loan Tottenham defender Cameron Carter-Vickers beyond the summer but warned there was still work to be done.
Reports in Portugal this week claimed Jota had informed Benfica that he wanted to trigger a clause that would allow Celtic to make his loan switch a permanent transfer.
Postecoglou said: "We are in discussions with them obviously, and as I have said all along, with these kind of things it's never a simple process.
"But both have had unbelievable years for us and been outstanding contributors and both are really happy here. Our intent is to try and keep them at our football club but these things need a point where all parties agree.
"I am hopeful we will get to that point but at this point we are not quite there yet."
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