Using COc1nc(Cl)nc(NC(=O)NS(=O)(=O)c2ccccc2OC(F)F)n1, OCC(F)(F)F to produce COc1nc(NC(=O)NS(=O)(=O)c2ccccc2OC(F)F)nc(OCC(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.