Using COc1cc(C)c(C(CCCCl)C(=O)O)cc1C(C)C, CC(C)(C)OC(=O)NN to produce COc1cc(C)c(C(CCCCl)C(=O)NNC(=O)OC(C)(C)C)cc1C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.