Using BrCC1COc2ccccc2O1, S=c1[nH]c2cc(Cl)ccc2n1C1CCNCC1 to produce S=c1[nH]c2cc(Cl)ccc2n1C1CCN(CC2COc3ccccc3O2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.