Using Cc1cc(Cl)c(C(=O)C=C(Nc2ccccc2)Nc2ccccc2)c(Cl)n1 to produce Cc1cc(Cl)c2c(=O)cc(Nc3ccccc3)n(-c3ccccc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.