Using NC(=O)c1nc(-c2c(F)cccc2F)oc1-c1ccc(OCCCl)cc1, CNCc1ccccc1 to produce CNCCOc1ccc(-c2oc(-c3c(F)cccc3F)nc2C(N)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.