Sunan An-Nasa'i

It was narrated from Zaid bin Thabit that :He said to Marwan: ""O Abu Abdul-Malik, do you recite: 'Say: He is Allah, (the) One' and 'Verily, We have granted you Al-Kawthar' in maghrib?"" He said: ""Yes."" He (Zaid) said: ""I swear by Allah, I saw the Messenger of Allah (ﷺ) reciting the longer of the two long surahs in it: 'Alif-Lam-Mim-Sad