Using CCc1ccc(C=O)o1, COC(=O)CCCc1ccc2c(c1)OCO2 to produce CCc1ccc([C@@H]2c3cc4c(cc3CC[C@H]2C(=O)O)OCO4)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.