Using O=C1c2c(OCc3ccccc3)ccc(OCc3ccccc3)c2-c2nn(CCO)c3ccc(Cl)c1c23, NCCNCCN to produce NCCNCCNc1ccc2c3c(nn2CCO)-c2c(O)ccc(O)c2C(=O)c13, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.