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What key to go to with the G7?

I am composing my first bagatelle right now. I decided to do it in rondo form and in a major key. Not only that, but I went for my avoid key, C major. As you can probably tell, I usually avoid composing in C major. Why? Because it sounds boring, Why? Because a hint of chromaticism makes me question whether or not I am modulating to another key.

Anyway, I have a G7 harmony and following that, 4 measures of a first ending with C major harmony. Now, I want to go somewhere else with this G7. I can think of a few keys that G7 can convincingly lead to. G major for obvious reasons is one key that G7 can convincingly lead to, at least if it is in an inversion. A minor is also convincingly lead to by treating the G7 as the subtonic. I can go to F also, if I resolve the G7 to C first.

I was thinking of reserving the minor key for when I get to the C section. So that means that I am leading to a major key other than C major. But it is hard for me to decide whether I should go to F major or G major, or a key not as closely related to C major(and note, I do think of the parallel minor as being closely related but I don't think of the mediant minor as being closely related at all).