I am getting "OpenQA.Selenium.WebDriverException: 'javascript error: Invalid left-hand side in assignment." error.

Please resolve below error.

OpenQA.Selenium.WebDriverException: 'javascript error: Invalid left-hand side in assignment.

public static void Main(string[] args)
{
IWebDriver driver = new ChromeDriver();
driver.Manage().Window.Maximize();

IJavaScriptExecutor js = (IJavaScriptExecutor)driver;
js.ExecuteScript("window-location='https://www.gmail.com'");

}