I'm writing a json syntax and when I validate it I keep getting the error,

```
Parse error on line 6:
..."Dublin 1",        {            "produ
----------------------^
Expecting 'STRING'

```

I can't figure out what the error means.

Here's my code

```
{"invoice":
{"number":"1001",
 "date":"21/02/2010",
 "customer":"Joe Bloggs",
 "address":"Dublin 1",
{"product details":
        [
          "name1":"Table",
          "quantity1":"1",
          "amount1":"250"
         }
         {
          "name2":"Chair",
          "quantity2":"6",
          "amount2":"200"
         }
        ]
}
}}

```