You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methane;1-methyl-3-[2-[5-[3-(1-methyl-2H-pyrrol-1-ium-3-yl)prop-2-enylidene]pyrrolidin-3-ylidene]ethylidene]-2H-pyrrole is the IUPAC name of a molecule. Please give its SMILES representation.
user
C;C;C;C;C;C;C;C;CN1C=CC(=CC=C2CNC(=CC=CC3=CC=[N+](C)C3)C2)C1
assistant