Using COC(=O)Cl, CCc1ccc(Cc2cc3c(cc2Cl)CC[C@]32O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)cc1 to produce CCc1ccc(Cc2cc3c(cc2Cl)CC[C@]32O[C@H](COC(=O)OC)[C@@H](O)[C@H](O)[C@H]2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.