Using C[C@H]1CC[C@H]2C(C)(C)[C@@H](O)[C@@H](O)C[C@]23Oc2c(c(OCc4ccccc4)cc4c2CN(C(=O)OC(C)(C)C)C4=O)C[C@]13C, CC(=O)Cl to produce CC(=O)O[C@H]1C[C@@]23Oc4c(c(OCc5ccccc5)cc5c4CN(C(=O)OC(C)(C)C)C5=O)C[C@]2(C)[C@@H](C)CC[C@H]3C(C)(C)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.