Using CC(C)(C)OC(=O)N(Cc1ccccc1)[C@H](CO)C(=O)O, O=P(Cl)(Oc1ccccc1)Oc1ccccc1 to produce CC(C)(C)OC(=O)N(Cc1ccccc1)[C@H](COP(=O)(Oc1ccccc1)Oc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.