weird issue after replacing radiator hoses

boomboom

So I had Nissan dealership change the 2 major radiator hoses and had them put new fluid in the car and flush the old. Ever since then each time I drive it I smell radiator fluid and u can see where a little bit of fluid comes oin.t of the top if the cap on the reserve tank. I have the tank from LcR autoworks. The cap has a really small hole at the top for some reason and it looks like fluid is coming out a little bit.

I ran the car and watched for it to leak out and it never did so I dont know what else to do. Is it normal to smell that strong after u put new radiator fluid in?never had this problem until they put the new hoses on and fluid I