Dearomatization
The general dearomatization method works as follows:
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Locate the aromatic electron fog.
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Locate special bonds, that should be single (e.g. all the bonds around a trivalent nitrogen should be single).
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Place alternating single and double bonds instead of aromatic ones.
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This method does not check by default if Hückel's rule is valid. Molconvert has options, that check the validity of Hückel's rule:
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"huckel": checks the validity of Hückel's rule, if not valid dearomatization isn't carried out, but no error message is sent.
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"huckel_ex": if Hückel's rule is not valid, the program terminates with an error message.
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