Using O=C1c2nccnc2C(O)N1c1ccc(Cl)cn1, CN1CCN(C(=O)Cl)CC1 to produce CN1CCN(C(=O)OC2c3nccnc3C(=O)N2c2ccc(Cl)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.