What do I do

This is a position I encountered in a game. Can someone tell me what the best move is? Should I have taken the knight on e4? What are other moves to consider?r2qkb1r/ppp1pppp/2n5/3p1b2/3PnB2/3BPN2/PPP2PPP/RN1QK2R w KQkq - 3 6

That's the FEN

I'm playing white by the way.