Helpp!! by eletricogamer

 I need help with this command ,for use in an adventure map with custom npcs.

When i enter the command in the command block,it says :"Could not parse dataTag, reason: Unbalanced square brackets []: {Inventory:[{id:"customnpcs:npcCoinWooden",{HideFlags:7,AttributeModifiers:[{AttributeName:"generic.movementSpeed",Name:"generic.movementSpeed",Amount:0.15,Operation:1,UUIDLeast:39717,UUIDMost:218807,Slot:"head"}],Unbreakable:1,display:{Name:"Chapéu dos Volgians",Lore:[Um chapéu usado pelos Volgians.]},ench:[{id:1,lvl:5},{id:3,lvl:3}],Slot:103b}]}",can someone help me?