Toxic dose of cipro is 70mg/kg assuming you weigh 70kg and you have taken 2000mg your aling way under that.
Just looked it up on toxbase for you, peak concentration about 1-2 hours post dose so if no problems yet, unlikely will be provided you are fit and healthy. Official guidance is not to worry and send home under toxic dose.
I wouldn’t be too worried if it was me, however corollary to this I don’t know you, and don’t know your medical history. If your worried go to ae.