Using COc1cc2c(Cl)ncnc2c(OC)c1OC, Nc1ccc(F)c(NC(=O)c2ccccc2)c1 to produce COc1cc2c(Nc3ccc(F)c(NC(=O)c4ccccc4)c3)ncnc2c(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.