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
d1a1
d1b1
d1c1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3b4
c6a6
c6b6
c6c5
c6e6
c6d6
c6c8
c6c7

## Board State Fen
r3k3/1r3pp1/2R1p2p/p1p5/2P5/1P6/P4PPP/3R2K1 w - a6 0 28
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
d1a1
d1b1
d1c1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3b4
c6a6
c6b6
c6c5
c6e6
c6d6
c6c8
c6c7

## Board State Fen
r3k3/1r3pp1/2R1p2p/p1p5/2P5/1P6/P4PPP/3R2K1 w - a6 0 28
assistant
c6c5