Using COC(=O)C(C)n1ccc2cc(O)ccc21, OCCCNc1nc(Cl)ncc1F to produce COC(=O)C(C)n1ccc2cc(OCCCNc3nc(Cl)ncc3F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.