Prob not the best plan, but bored so I'll take a stab at making 7

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Cross to dummy with a diamond.
Play a top club pitching a diamond if east doesn't rough in. If they do and rough high, overtrump and cross back with a heart. If they do and trump low, overtrump, play a high trump, and cross back to dummy with a trump to take your 4 pitches.
If both follow to the 2nd club: Run the 10 of hearts. If hearts are 2-2, then after covering the J you can cross back to dummy with a trump to pitch your 3 spades.
If the 10 holds and hearts are 3-1. Run clubs pitching your 3 spades. When righty roughs in, overtrump and cross back with a heart for the remaining pitches.
Eric