getting an error System.Data.OleDb.OleDbException (0x80004005): Not a valid file name.

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        private OleDbConnection obj = new OleDbConnection();
        public Form1()
        {
            InitializeComponent();
            obj.ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=‪C:\Users\ABHIJITH\Documents\prelims.accdb;Persist Security Info=False;";
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                obj.Open();
                MessageBox.Show("CONNECTION SUCCESSFULL");
                OleDbCommand com = new OleDbCommand();
                com.Connection = obj;
                string query = "select * from test";
                com.CommandText = query;
                OleDbDataReader read = com.ExecuteReader();
                while(read.Read())
                {
                    label1.Text = read["question"].ToString();
                }
                obj.Close();
            }
            catch(Exception ex)
            { MessageBox.Show("Error\n " + ex); }
        }
    }
}