Using CC(=O)Nc1cccc(N)c1, CS(=O)c1ncc(C(N)=O)c(NC2(c3ccccc3)CC2)n1 to produce CC(=O)Nc1cccc(Nc2ncc(C(N)=O)c(NC3(c4ccccc4)CC3)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.