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
a1e5
a1d4
a1c3
a1b2
a1c1
a1b1
a1a2
d5d4
e6f5
g6f5
g6g5
a7a5
a7a6
b7b6
e7f5
e7c6
e7g8
f7f6
h7h5
h7h6
c8a8
c8b8
c8c1
c8c2
c8c3
c8c4
c8c5
c8c6
c8c7
c8e8
c8d8
f8g8
f8g7
h8g8

## Board State Fen
2r2k1r/pp2np1p/4p1p1/1B1pPP2/8/7P/P2Q2P1/q1B2RK1 b - - 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
a1e5
a1d4
a1c3
a1b2
a1c1
a1b1
a1a2
d5d4
e6f5
g6f5
g6g5
a7a5
a7a6
b7b6
e7f5
e7c6
e7g8
f7f6
h7h5
h7h6
c8a8
c8b8
c8c1
c8c2
c8c3
c8c4
c8c5
c8c6
c8c7
c8e8
c8d8
f8g8
f8g7
h8g8

## Board State Fen
2r2k1r/pp2np1p/4p1p1/1B1pPP2/8/7P/P2Q2P1/q1B2RK1 b - - 0 19
assistant
c8c1