Using COC(=O)c1ccc(N2CCc3cc(-c4ccc(OC)cc4)sc3C2=O)cc1OC to produce COc1ccc(-c2cc3c(s2)C(=O)N(c2ccc(C(=O)O)c(OC)c2)CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.