Using O=C1CC2(C(=O)N1)C(=O)Nc1ccc(Cl)cc12, BrCc1ccccc1 to produce O=C1CC2(C(=O)Nc3ccc(Cl)cc32)C(=O)N1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.