Using O=Cc1cccc(Cl)c1, COC(=O)c1cccc2[nH]ccc12 to produce COC(=O)c1cccc2[nH]cc(Cc3cccc(Cl)c3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.