Using O=C1CCC2(CC1)OCCO2, O=C(Cl)c1ccc2ncsc2c1 to produce O=C1CCC2(CC1C(=O)c1ccc3ncsc3c1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.