Using CCOC(=O)[C@@H]1CCCN(CCBr)C1, ON=C1c2ccccc2CCC1c1ccccc1 to produce CCOC(=O)[C@@H]1CCCN(CCON=C2c3ccccc3CCC2c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.