Using CCC1(C(=O)Cn2cncn2)CCCC1, O=CC(Cl)(Cl)Cl to produce CCC1(C(=O)C(C(O)C(Cl)(Cl)Cl)n2cncn2)CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.