Using CC(=O)Nc1ccc(-c2nc(S)[nH]c2-c2ccc(NC(C)=O)cc2)cc1, ClCCBr to produce CC(=O)Nc1ccc(-c2nc3n(c2-c2ccc(NC(C)=O)cc2)CCS3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.