Using COC(=O)c1ccc(SC(Cn2ccnc2)c2cc(OC)c(OC)c(OC)c2)cc1 to produce COc1cc(C(Cn2ccnc2)Sc2ccc(C(=O)O)cc2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.