MongoDB - Insert Document syntax errors

MongoDB collection insert document fails

I'm not sure why its failing.

db.post3.insert([
{
      title: 'MongoDB Overview', 
      description: 'MongoDB is no sql database',
      by: 'tutorials point',
      url: 'http://www.tutorialspoint.com',
      tags: ['mongodb', 'database','NoSQL'],
      likes: 100
},
{
      title: 'NoSQL Database', 
      description: 'NoSQL database doesn't have tables',
      by: 'tutorials point',
      url: 'http://www.tutorialspoint.com',
      tags: ['mongodb', 'database','NoSQL'],
      likes: 20, 
      comments: [  
      {
            user:'user1',
            message: 'My first comment',
            dateCreated: new Date(2013,11,10,2,35),
            like: 0 
     }
   ]
}
])

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fail.jpg