Using CC(C)OP(=O)(OC(C)C)C(Cl)(Cl)P(=O)(OC(C)C)OC(C)C to produce CC(C)OP(=O)(OC(C)C)C(Cl)P(=O)(OC(C)C)OC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.