Using O=c1[nH]cnc2cc(OCc3ccccc3)ccc12, CC(C)(C)C(=O)OCCl to produce CC(C)(C)C(=O)OCn1cnc2cc(OCc3ccccc3)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.