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
c1b1
e1e4
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
d2a5
d2b4
d2c3
d2h6
d2g5
d2f4
d2e3
g2g4
g2g3
h2h4
h2h3
d4c3
d4a7
d4b6
d4c5
d4g1
d4f2
d4e3
d4a4
d4b4
d4c4
d4d3
d4h4
d4g4
d4f4
d4e4
d4d8
d4d7
d4d6
d4d5

## Board State Fen
r2r1nk1/pp2qppp/2b1p3/4P3/3Q4/8/PPPB2PP/2KRRB2 w - - 4 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
c1b1
e1e4
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
a2a4
a2a3
b2b4
b2b3
c2c4
c2c3
d2a5
d2b4
d2c3
d2h6
d2g5
d2f4
d2e3
g2g4
g2g3
h2h4
h2h3
d4c3
d4a7
d4b6
d4c5
d4g1
d4f2
d4e3
d4a4
d4b4
d4c4
d4d3
d4h4
d4g4
d4f4
d4e4
d4d8
d4d7
d4d6
d4d5

## Board State Fen
r2r1nk1/pp2qppp/2b1p3/4P3/3Q4/8/PPPB2PP/2KRRB2 w - - 4 19
assistant
d4e3