Using CC(O)=S, O=C(NCCc1ccccc1)C(NC(=O)[C@H](Br)Cc1ccccc1)C(=O)NCCc1ccccc1 to produce CC(=S)[C@@H](Cc1ccccc1)C(=O)NC(C(=O)NCCc1ccccc1)C(=O)NCCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.