Using CI, O=C1Nc2ccc(Cl)cc2C(c2ccccc2)=NC12CCN(Cc1ccccc1)CC2 to produce CN1C(=O)C2(CCN(Cc3ccccc3)CC2)N=C(c2ccccc2)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.