Using CC(=O)OCC(=O)O, C=C(C)[C@@H]1CC[C@@H](C)[C@@]2(O)[C@H]1C=C(C)[C@@H](O)[C@@H]2OC(=O)[C@@H]1C[C@@]2(O)c3cccc(Cl)c3N(C)O[C@H]2N1 to produce C=C(C)[C@@H]1CC[C@@H](C)[C@@]2(O)[C@H]1C=C(C)[C@@H](OC(=O)COC(C)=O)[C@@H]2OC(=O)[C@@H]1C[C@@]2(O)c3cccc(Cl)c3N(C)O[C@H]2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.