Using COc1ccc(C2C(=O)c3ccc(OC)cc3C3CCCCC32)cc1 to produce COc1ccc(C2C(O)c3ccc(OC)cc3C3CCCCC32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.