2. Balance Parentheses Given a string contains parentheses and other characters, write a function that returns the string with balanced parentheses by removing the minimum number of characters. Note: there might be multiple possible results, you only need to return one of them. Example: (CO)" -> "((O))" (ad)(1(230" -> "(ad)1230", (CC"> 2. Balance Parentheses Given a string contains parentheses and other characters, write a function that returns the string with balanced parentheses by removing the minimum number of characters. Note: there might be multiple possible results, you only need to return one of them. Example: (CO)" -> "((O))" (ad)(1(230" -> "(ad)1230", (CC">