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
b1c1
b1a2
b1a1
b2a1
b2c1
b2d4
b2c3
c2c3
e2d1
e2d3
e2f1
e2h5
e2g4
e2f3
e2d2
e2e1
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
a3a4
b3b4
h3c3
h3d3
h3e3
h3f3
h3g3
h3h1
h3h2
c4b6
c4d2
c4d6
c4a5
c4e3

## Board State Fen
1k1r4/p1q2pb1/bp2p1p1/4P2p/2N1p2P/PP5R/1BP1QPP1/1K6 w - - 0 20
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
b1c1
b1a2
b1a1
b2a1
b2c1
b2d4
b2c3
c2c3
e2d1
e2d3
e2f1
e2h5
e2g4
e2f3
e2d2
e2e1
e2e4
e2e3
f2f4
f2f3
g2g4
g2g3
a3a4
b3b4
h3c3
h3d3
h3e3
h3f3
h3g3
h3h1
h3h2
c4b6
c4d2
c4d6
c4a5
c4e3

## Board State Fen
1k1r4/p1q2pb1/bp2p1p1/4P2p/2N1p2P/PP5R/1BP1QPP1/1K6 w - - 0 20
assistant
e2e4