Using CSCC(=O)c1ccc(Cl)cc1, CCOC(=O)C(=O)n1ccnc1 to produce CCOC(=O)C(=O)C(SC)C(=O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.