Based on the SMILES C1=CN=CC1, the molecule can be described as:
The molecule is that one of the three tautomers of pyrrole which has the double bonds at positions 1 and 4. It is a tautomer of a 2H-pyrrole and a 1H-pyrrole.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule can be described {#by|as!}:
{description#}
C1=CN=CC1
3H-pyrrole
The molecule is that one of the three tautomers of pyrrole which has the double bonds at positions 1 and 4. It is a tautomer of a 2H-pyrrole and a 1H-pyrrole.