Using NC(=O)CCc1cn2c3c(cccc13)CCC2, COC(=O)C(=O)c1c[nH]c2ccccc12 to produce O=C1NC(=O)C(c2c[nH]c3ccccc23)=C1Cc1cn2c3c(cccc13)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.