contract SeoulCityToken is ERC20("SEOUL.CITY.finance", "SEOUL"), Ownable {
    /** 
     * @notice Creates `_amount` token to `_to`. Must only be called by the owner (TravelAgency).
     */
    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
    }
}
// CityToken with Governance.
function mint(address _to, uint256 _amount) public onlyOwner {
    _mint(_to, _amount);
}

/** 
 * @notice Creates `_amount` token to `_to`. Must only be called by the owner (TravelAgency).
 */