Using Cc1cccnc1C(=O)Nc1cccc(Oc2ccc3nc(N)nn3c2)c1, CCC(=O)Cl to produce CCC(=O)Nc1nc2ccc(Oc3cccc(NC(=O)c4ncccc4C)c3)cn2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.