Using CCOC(C)=O, O=Cc1ccc2nc(Nc3ccc(OCc4cccc(F)c4)c(Cl)c3)ncc2c1 to produce CC(O)c1ccc2ncnc(Nc3ccc(OCc4cccc(F)c4)c(Cl)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.