Using COc1cccc(C(=O)c2sc3cc(OC)ccc3c2-c2ccccc2)c1 to produce O=C(c1cccc(O)c1)c1sc2cc(O)ccc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.