Using CCCn1c(N)c(N)c(=O)n(CCC)c1=O, O=Cc1ccc2c(c1)OCCO2 to produce CCCn1c(=O)c2[nH]c(-c3ccc4c(c3)OCCO4)nc2n(CCC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.