Using COc1cc2c(cc1OC)CNCC2, Clc1nc(Cl)nc(Cl)n1 to produce COc1cc2c(cc1OC)CN(c1nc(Cl)nc(Cl)n1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.