Using S, Cc1c(Cl)[nH]c(=O)n(Cc2ccc(C(=O)OC(C)(C)C)cc2)c1=O to produce Cc1c(S)[nH]c(=O)n(Cc2ccc(C(=O)OC(C)(C)C)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.