Add forbidden group to R_Addtion_MultipleBond family

Benzene double bond generally cannot react in R_Addition_MultipleBond family

Author: KEHANG

input/kinetics/families/R_Addition_MultipleBond/groups.py

@@ -17984,3 +17984,21 @@
 """,
 )
 
+forbidden(
+    label = "benzene_doublebond",
+    group = 
+"""
+1 *1 Cd u0 {2,D} {6,S}
+2 *2 Cd u0 {1,D} {3,S}
+3    Cd ux {2,S} {4,D}
+4    Cd ux {3,D} {5,S}
+5    Cd ux {4,S} {6,D}
+6    Cd ux {5,D} {1,S}
+""",
+    shortDesc = u"""""",
+    longDesc = 
+u"""
+
+""",
+)
+