Using C=C(C)C(=O)Cl, NCCNCCNCCN to produce C=C(C)C(=O)N(C(=O)C(=C)C)C(CNCCNCCN)(C(=O)C(=C)C)C(=O)C(=C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.