What a conundrum you are in.  You believe that you are called to be a priest yet you know so very little about the religion to which you claim to belong.  And you certainly illustrate your complete ignorance in regards to Trent, which occurred roughly 1,200 years AFTER the death of Constantine.
The dogmata of the Catholic faith are catagorized into two groups, de fide and ex cathedra.  De fide teachings have THE HIGHEST degree of theological certainty. The dogmas of the Holy Trinity and the Divinity of Christ are examples of de fide divina truths.   Ex cathedra decrees, while still dogmatic truths, do NOT possess the same degree of theological certainty as de fide dogmata.
Your ignorance of the faith is proof enough that you are not called to be a priest.  Your persistence in heresy is yet another.  Finally, the fact that you are a woman, which by no means makes you any less of a person, still absolutely excludes you from the priesthood.  No further proof is necessary.