Using CC(C(=O)O)c1cccc(C(=O)c2cc3cc(C(=O)O)sc3s2)c1 to produce CC(C(=O)O)c1cccc(C(=O)c2cc3ccsc3s2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.