Using CCCn1c(N)c(N)c(=O)n(CCC)c1=O, CCOC(=O)COc1cc(C(=O)O)nn1C to produce CCCn1c(=O)c2[nH]c(-c3cc(OCC(=O)O)n(C)n3)nc2n(CCC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.