Using Cn1cc(C2=C(c3cccc(OC[C@@H]4COC(C)(C)O4)c3)C(=O)OC2=O)c2ccccc21, CN(C)C=O to produce Cn1cc(C2=C(c3cccc(OC[C@@H]4COC(C)(C)O4)c3)C(=O)NC2=O)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.