Using CI, COC(=O)c1cncc(-c2ccc3c(n2)CCC(=O)N3)c1 to produce COC(=O)c1cncc(-c2ccc3c(n2)CCC(=O)N3C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.