Using ClCCl, CC(C)(C)OC(=O)N1CC=C(c2nccnc2Oc2ccc(Nc3ccccn3)cc2)CC1 to produce c1ccc(Nc2ccc(Oc3nccnc3C3CCNCC3)cc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.