Using Nc1ccncc1, O=C(O)CN1C[C@@H]2COCCN2c2nc(Cl)ncc21 to produce O=C(CN1C[C@@H]2COCCN2c2nc(Cl)ncc21)Nc1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.