Using CCCn1c(N)c(N)c(=O)n(CCC)c1=O, O=C(O)C1CCC2(C1)OCCO2 to produce CCCn1c(=O)c2[nH]c(C3CCC(=O)C3)nc2n(CCC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.