Using OCc1[nH]ccc1Cc1ccccc1, CCCCCOC1C(C(=O)O)C1(C)C to produce CCCCCOC1C(C(=O)OCc2[nH]ccc2Cc2ccccc2)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.