Using CC1=[N+](CCCS(=O)(=O)O)c2ccccc2C1(C)CCCS(=O)(=O)O to produce CC1(CCCS(=O)(=O)O)C(/C=C/C=C/Nc2ccccc2)=[N+](CCCS(=O)(=O)O)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.