Conditional Orders With Interactive Brokers

How can I enter the following conditional trade on interactive brokers?

At market close, purchase 100 shares of Apple if Apple's price is at least 20 dollars more than Microsoft's price?
 
I want to know whether a Bracket Order in IB can be placed repetitively with attaching some conditions or some settings changes. Precisely, I want to place the same order again and again once my original order is exited after hitting Stop/Target.
 
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