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
d2c4
d2e4
d2b1
d2f3
f1e2
f1h3
f1g2
d3e3
g3g4
e5e6

## Board State Fen
8/2n5/2p3p1/p1k1Pp1p/Pp1n1P1P/1P1K2P1/3N4/5B2 w - - 5 51
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
d2c4
d2e4
d2b1
d2f3
f1e2
f1h3
f1g2
d3e3
g3g4
e5e6

## Board State Fen
8/2n5/2p3p1/p1k1Pp1p/Pp1n1P1P/1P1K2P1/3N4/5B2 w - - 5 51
assistant
d3e3