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
a1h1
a1g1
a1f1
a1e1
a1d1
a1c1
a1b1
a1a3
a1a2
b2b4
b2b3
f2g3
f2g1
f2f1
f2e3
f2e2
f2e1
g2g4
g2g3
h2h4
h2h3
c3c4
f3f4
a4a5
e4d2
e4d6
e4f6
e4c5
e4g3
d5c5
d5d1
d5d2
d5d3
d5d4
d5d8
d5d7
d5d6
g5c1
g5d2
g5e3
g5f4
g5e7
g5f6
g5h4
g5h6

## Board State Fen
r3k2r/p1p1bpp1/1p2n3/2pRP1Bp/P3N3/2P2P2/1P3KPP/R7 w - - 1 23
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
a1h1
a1g1
a1f1
a1e1
a1d1
a1c1
a1b1
a1a3
a1a2
b2b4
b2b3
f2g3
f2g1
f2f1
f2e3
f2e2
f2e1
g2g4
g2g3
h2h4
h2h3
c3c4
f3f4
a4a5
e4d2
e4d6
e4f6
e4c5
e4g3
d5c5
d5d1
d5d2
d5d3
d5d4
d5d8
d5d7
d5d6
g5c1
g5d2
g5e3
g5f4
g5e7
g5f6
g5h4
g5h6

## Board State Fen
r3k2r/p1p1bpp1/1p2n3/2pRP1Bp/P3N3/2P2P2/1P3KPP/R7 w - - 1 23
assistant
g5e3