Using CN1CCNCC1, O=C(Oc1ccccc1)OC1c2ccccc2C(=O)N1c1ccc2cccnc2n1 to produce CN1CCN(C(=O)OC2c3ccccc3C(=O)N2c2ccc3cccnc3n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.