Using O=C(c1ccc(Cl)cc1)c1ccc(CBr)cc1, Cc1c(O)nc2n(c1=O)CCS2 to produce Cc1c(OCc2ccc(C(=O)c3ccc(Cl)cc3)cc2)nc2n(c1=O)CCS2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.