Using COC(=O)Cc1cccc(-c2ccc(OC)c(OCc3ccccc3)c2)c1 to produce COC(=O)Cc1cccc(-c2ccc(OC)c(O)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.