Using CCOC(=O)[C@H]1CC[C@H](CC)CC1, COP(C)(=O)OC to produce CC[C@H]1CC[C@H](C(=O)CP(=O)(OC)OC)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.