Using CCCC(=O)C(=O)O, CC(C)C(c1ccc(N)c(N)c1)n1ccnc1 to produce CCCc1nc2cc(C(C(C)C)n3ccnc3)ccc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.