Using Cn1ccc(NC(=O)c2cc(OCc3ccccc3)cc(OC3CCCC3)c2)n1 to produce Cn1ccc(NC(=O)c2cc(O)cc(OC3CCCC3)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.