Using Cc1c[nH]c2nc(S)[nH]c(=O)c12, O=C(c1ccc(CBr)cc1)c1ccc(Cl)cc1Cl to produce Cc1c[nH]c2nc(SCc3ccc(C(=O)c4ccc(Cl)cc4Cl)cc3)[nH]c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.