Fix type of negative sign in front of n factor (-0.664)

Author: jimchu10

input/kinetics/libraries/FFCM1(-)/reactions.py

@@ -451,7 +451,7 @@
             ),
             Arrhenius(
                 A = (5.017e+12, 'cm^3/(mol*s)'),
-                n = 0.664,
+                n = -0.664,
                 Ea = (332, 'cal/mol'),
                 T0 = (1, 'K'),
             ),