[FRIAM] Schwill Rock?

[Jon Zingale]

Thanks Roger, Marcus. I am a newbie in this area and so it might be good
for me to ask some potentially obvious questions about SMILES (since they
are used everywhere).

1. Is the SMILES isomorphism problem equivalent to the graph isomorphism
problem, or is there some advantage from being context free parsable?

2. In practice, do the edge cases that Roger mentioned effectively get
added into the rewrite rules for the grammar or are they a separate kind of
thing?

3. How is chirality handled?
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