Using COC(=O)c1cccc(Cc2c(-c3ccsc3)[nH]c3cc(OC)ccc23)n1 to produce COc1ccc2c(Cc3cccc(C(=O)O)n3)c(-c3ccsc3)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.