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
c1c6
c1c5
c1c4
c1c3
c1c2
f2f4
f2f3
g2f3
g2h1
g2h3
b2b4
b2b3
d1a4
d1b3
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d3
d1d2
g1h1
f1e1
h2h4
h2h3
a3a4
e3d5
e3f5
e3c2
e3c4
e3g4
g3g4
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5

## Board State Fen
r2rb1k1/4bppp/1qp1p3/pp1nP3/3PN3/P3N1P1/1P3PBP/2RQ1RK1 w - a6 0 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
c1a1
c1b1
c1c6
c1c5
c1c4
c1c3
c1c2
f2f4
f2f3
g2f3
g2h1
g2h3
b2b4
b2b3
d1a4
d1b3
d1c2
d1h5
d1g4
d1f3
d1e2
d1e1
d1d3
d1d2
g1h1
f1e1
h2h4
h2h3
a3a4
e3d5
e3f5
e3c2
e3c4
e3g4
g3g4
e4d2
e4d6
e4f6
e4c3
e4c5
e4g5

## Board State Fen
r2rb1k1/4bppp/1qp1p3/pp1nP3/3PN3/P3N1P1/1P3PBP/2RQ1RK1 w - a6 0 19
assistant
d1d2