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
a1e1
a1d1
a1c1
a1b1
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
b2c1
b2f6
b2e5
b2d4
b2c3
c2b1
c2d1
c2e4
c2d3
c2c1
c2c5
c2c4
c2c3
d2d4
d2d3
f2f4
f2f3
g2e4
g2f3
g2h1
g2h3
h2h3
a3a4
b3b4
g3g4
h4g6
h4f3
h4f5

## Board State Fen
r2qr1k1/pb3ppp/1pn2n2/2p5/4p2N/PP2P1P1/1BQP1PBP/R4RK1 w - - 2 16
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
a1e1
a1d1
a1c1
a1b1
a1a2
f1b1
f1c1
f1d1
f1e1
g1h1
b2c1
b2f6
b2e5
b2d4
b2c3
c2b1
c2d1
c2e4
c2d3
c2c1
c2c5
c2c4
c2c3
d2d4
d2d3
f2f4
f2f3
g2e4
g2f3
g2h1
g2h3
h2h3
a3a4
b3b4
g3g4
h4g6
h4f3
h4f5

## Board State Fen
r2qr1k1/pb3ppp/1pn2n2/2p5/4p2N/PP2P1P1/1BQP1PBP/R4RK1 w - - 2 16
assistant
b2f6