Using O=C(O)c1ncn2c1[C@@H]1CCCN1C(=O)c1cc(Cl)ccc1-2 to produce O=C1c2cc(Cl)ccc2-n2cncc2[C@@H]2CCCN12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.