Using COc1cc(O)c2c(=O)c(OC)c(-c3ccc(OCc4ccccc4)c(OC)c3)oc2c1 to produce COc1cc(O)c2c(=O)c(OC)c(-c3ccc(O)c(OC)c3)oc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.