Using O=C(O)Cn1nc(-c2ncc[nH]2)c2cccnc21, Cc1cc(N2CCNCC2)ccc1Cl to produce Cc1cc(N2CCN(C(=O)Cn3nc(-c4ncc[nH]4)c4cccnc43)CC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.