Using C=CCOC(=O)Cl, CCOC(=O)[C@@]1(F)[C@@H]2C[C@@H](OCc3ccc(Cl)c(Cl)c3)[C@@](N)(C(=O)O)[C@@H]21 to produce C=CCOC(=O)N[C@@]1(C(=O)OC(C)CC)[C@H](OCc2ccc(Cl)c(Cl)c2)C[C@@H]2[C@H]1[C@@]2(F)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.