Using CCOC(=O)Cc1cc2c(n1C)C(=O)c1ccc(Cl)cc1SC2 to produce Cn1c(CC(=O)O)cc2c1C(=O)c1ccc(Cl)cc1SC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.