Using Cc1cc(N)c2cc(C(=O)Nc3ccc(CN)cc3)ccc2n1, O=C(O)c1ccnc(Cl)c1 to produce Cc1cc(N)c2cc(C(=O)Nc3ccc(CNC(=O)c4ccnc(Cl)c4)cc3)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.