Using COC(=O)C(Br)c1cccc(Cl)c1, CCCc1cc(CO)cc(Cl)c1O to produce CCCc1cc(CO)cc(Cl)c1OC(C(=O)OC)c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.