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
f1a1
f1b1
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
b2b3
f2c2
f2d2
f2e2
f2f7
f2f6
f2f5
f2f4
f2f3
h2h4
h2h3
g3f5
g3h1
g3h5
g3e2
g3e4
e5e6

## Board State Fen
5r2/5rkp/2p3p1/p1PnP3/1p6/6N1/PP3RPP/5RK1 w - - 0 37
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
f1a1
f1b1
f1c1
f1d1
f1e1
g1h1
a2a4
a2a3
b2b3
f2c2
f2d2
f2e2
f2f7
f2f6
f2f5
f2f4
f2f3
h2h4
h2h3
g3f5
g3h1
g3h5
g3e2
g3e4
e5e6

## Board State Fen
5r2/5rkp/2p3p1/p1PnP3/1p6/6N1/PP3RPP/5RK1 w - - 0 37
assistant
f2f7