Using ClCCCBr, CC(C)n1nc(-c2ccc(O)cc2)c2sccc2c1=O to produce CC(C)n1nc(-c2ccc(OCCCCl)cc2)c2sccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.