Using COC(=O)/C=C/c1ccc(Oc2c(-c3ccc(O)cc3)sc3cc(O)ccc23)cn1 to produce O=C(O)/C=C/c1ccc(Oc2c(-c3ccc(O)cc3)sc3cc(O)ccc23)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.