Using C=C(C)c1cccc(C(C)(C)N=C=O)c1, O[C@@H]1CN2CC[C@H]1C2 to produce C=C(C)c1cccc(C(C)(C)NC(=O)O[C@@H]2CN3CC[C@H]2C3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.