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
b1a3
b1c3
b1d2
d1h1
d1g1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
h2h4
h2h3
c1c5
c1c4
c1c3
c1c2
g2h3
g2h1
g2g1
g2f1
e2e4
e2e3
b2b3
a2a4
a2a3
f3d5
f3e4
f3h5
f3g4
f3a3
f3b3
f3c3
f3d3
f3e3
g3g4
f4d2
f4e3
f4h6
f4g5
e5d3
e5d7
e5f7
e5c4
e5c6
e5g4
e5g6

## Board State Fen
2r1qrk1/p3bppp/4p3/2nnN3/1p3B2/5QP1/PP2PPKP/1NRR4 w - - 2 19
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
b1a3
b1c3
b1d2
d1h1
d1g1
d1f1
d1e1
d1d5
d1d4
d1d3
d1d2
h2h4
h2h3
c1c5
c1c4
c1c3
c1c2
g2h3
g2h1
g2g1
g2f1
e2e4
e2e3
b2b3
a2a4
a2a3
f3d5
f3e4
f3h5
f3g4
f3a3
f3b3
f3c3
f3d3
f3e3
g3g4
f4d2
f4e3
f4h6
f4g5
e5d3
e5d7
e5f7
e5c4
e5c6
e5g4
e5g6

## Board State Fen
2r1qrk1/p3bppp/4p3/2nnN3/1p3B2/5QP1/PP2PPKP/1NRR4 w - - 2 19
assistant
b1d2