Using BrCc1ccccc1, O=C1c2cc(Cl)ccc2NCN1CCN1CCOCC1 to produce O=C1c2cc(Cl)ccc2N(Cc2ccccc2)CN1CCN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.