I did choose 2C as the opener, but as the correct choice seems to be 1H I'll give you the bidding starting with 1H. Opps silent:
1♥-1♠
3♦-3♠
You play wjs, partner's 3♠ shows 6 card and 9+ (with 6 card ♠ and 4-8 pts your partner would have bid 2♠ initially).
You play a jump to the 5-level as voidwoid, but not sure if 5♠ would still be interpreted like that and it would also force you to the 6-level.
What is your choice now?

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