Using O=C(Cl)c1ccccc1, CC(C)(C)NCC(=O)c1ccc(O)c(O)c1 to produce CC(C)(C)NCC(=O)c1ccc(OC(=O)c2ccccc2)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.