Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
d1f3
g1h1
g1f1
g2f3

## Board State Fen
r1br2k1/pp2bppp/1n1qp3/8/4N3/P4n2/BP3PPP/R1BQR1K1 w - - 0 15
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
d1f3
g1h1
g1f1
g2f3

## Board State Fen
r1br2k1/pp2bppp/1n1qp3/8/4N3/P4n2/BP3PPP/R1BQR1K1 w - - 0 15
assistant
d1f3