Using CC(=O)CCn1cnc2c1c(=O)n(CC1CC1)c(=O)n2CC1CCCCC1 to produce O=c1c2[nH]cnc2n(CC2CCCCC2)c(=O)n1CC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.