Using CC1(C)OC[C@H](CO)O1, CC1(C)c2cc(O)ccc2C(=O)c2c1[nH]c1c(F)c(Cl)ccc21 to produce CC1(C)OC[C@H](COc2ccc3c(c2)C(C)(C)c2[nH]c4c(F)c(Cl)ccc4c2C3=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.