Using COCC1(OP(=O)(O)O)CCN(c2c(F)cc(N3C[C@H](CNC(C)=O)OC3=O)cc2F)CC1 to produce COCC1(OP(=O)([O-])[O-])CCN(c2c(F)cc(N3C[C@H](CNC(C)=O)OC3=O)cc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.