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
c1a1
c1b1
c1e1
c1d1
f1a6
f1b5
f1c4
f1d3
f1e2
a2a3
b2b4
b2b3
c2c4
c2c3
f2g3
f2g1
g2g4
g2g3
h2h4
h2h3
f3f4
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4h4
d4g4
d4f4
d4e4

## Board State Fen
4r3/1ppb1pkp/3p1p2/r2P4/p2R4/5P2/PPP2KPP/2R2B2 w - - 2 22
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
c1a1
c1b1
c1e1
c1d1
f1a6
f1b5
f1c4
f1d3
f1e2
a2a3
b2b4
b2b3
c2c4
c2c3
f2g3
f2g1
g2g4
g2g3
h2h4
h2h3
f3f4
d4a4
d4b4
d4c4
d4d1
d4d2
d4d3
d4h4
d4g4
d4f4
d4e4

## Board State Fen
4r3/1ppb1pkp/3p1p2/r2P4/p2R4/5P2/PPP2KPP/2R2B2 w - - 2 22
assistant
f1d3