Using CCOC(=O)c1c(NC(C)=O)sc2c(O)cc(Cc3ccccc3)cc12 to produce CCOC(=O)c1c(N)sc2c(O)c(Cc3ccccc3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.