Using Cc1ccc(C[Se]c2ccccc2C(=O)O)cc1, Nc1ccccc1 to produce Cc1ccc(C[Se]c2ccccc2C(=O)Nc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.