This one reminds me of the (later) "Everybody's hand is on the switch".
The chords when they arrive are
GCD G CD G (three times, then)
GCD G CD G CDA
DCG
Too late the smart bomb
I've got to beat the machine
Too late the smart bomb(Too late the smart bomb)
Oooh!
Too late the smart bomb (Too late the smart bomb)
Too late the smart bomb(Too late the smart bomb)
(spoken "mutants, laser, bombs" or some such gibberish)