Using CC(C)C(O)(c1ccc2c(ccc3occc32)c1)c1c[nH]cn1 to produce CC(C)C(O)(c1ccc2c3c(ccc2c1)OCC3)c1c[nH]cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.