Using CCN=C=O, CC(C)(C)OC(=O)n1c(NCC2CCN(Cc3ccc(Cl)c(Cl)c3)CC2)nc2c(N)cccc21 to produce CCNC(=O)Nc1cccc2[nH]c(NCC3CCN(Cc4ccc(Cl)c(Cl)c4)CC3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.