give @s minecraft:potion{CustomPotionColor:-1,CustomModelData:2102,HideFlags:127,display:{Name:'{"text":"Potion of Gravitation","italic":"false"}',Lore:['{"text":"Gravity Control (4:00)","italic":"false","color":"blue"}','{"text":""}','{"text":"Press SHIFT to reverse gravity","italic":"false","color":"gray"}']}} 1