Using O=C(Cl)c1cccnc1, CCCN=C(N)Nc1ccnc(CCCCCN)n1 to produce CCCN=C(N)Nc1ccnc(CCCCCNC(=O)c2cccnc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.