Using CCOP(=O)(CP(=O)(OCC)c1ccc(O)c(C(C)(C)CC(=O)OCc2ccccc2)c1)OCC, CCC(=O)Cl to produce CCOP(=O)(CP(=O)(OCC)c1ccc(OC(=O)CC)c(C(C)(C)CC(=O)OCc2ccccc2)c1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.