Using COc1cccc(OC)c1-c1c[nH]c2ncc(-c3cccc(O)c3)cc12 to produce Oc1cccc(-c2cnc3[nH]cc(-c4c(O)cccc4O)c3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.