Using CCOP(=O)(CC=CCC(CC(C)=CCc1c(O)c2c(c(C)c1OC)COC2=O)C(=O)OC)OCC to produce CCOP(=O)(O)CC=CCC(CC(C)=CCc1c(O)c2c(c(C)c1OC)COC2=O)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.