Using OB(O)Oc1ccc(Cl)cc1, CCNC(=O)Nc1nc2ccc(Br)cc2s1 to produce CCNC(=O)Nc1nc2ccc(-c3ccc(Cl)cc3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.