Using OCCc1cccc(Cl)n1, CCOC(=O)C[C@@H]1CCc2cc(O)ccc21 to produce CCOC(=O)C[C@@H]1CCc2cc(OCCc3cccc(Cl)n3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.