Using Nc1nc(OCc2ccc(F)cc2)ncc1F, CCOP(=O)(Cl)OCC to produce CCOP(=O)(Nc1nc(OCc2ccc(F)cc2)ncc1F)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.