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
d2a2
d2b2
d2c2
d2d1
d2d8
d2d7
d2d6
d2d5
d2d4
d2d3
e2f2
e2f1
e2e1
e2d1
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
e3c5
e3d4
e3g1
e3f2
e3h6
e3g5
e3f4
f3f4
g3g4
b4a4
b4b1
b4b2
b4b3
b4b6
b4b5

## Board State Fen
8/8/1pr1npk1/2n1p2p/1RP1P3/r1N1BPP1/3RK3/8 w - - 0 41
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
d2a2
d2b2
d2c2
d2d1
d2d8
d2d7
d2d6
d2d5
d2d4
d2d3
e2f2
e2f1
e2e1
e2d1
c3b1
c3b5
c3d1
c3d5
c3a2
c3a4
e3c5
e3d4
e3g1
e3f2
e3h6
e3g5
e3f4
f3f4
g3g4
b4a4
b4b1
b4b2
b4b3
b4b6
b4b5

## Board State Fen
8/8/1pr1npk1/2n1p2p/1RP1P3/r1N1BPP1/3RK3/8 w - - 0 41
assistant
c3b5