Using N=C(c1ccccc1)c1ccccc1, CC1(C)CNC(=O)c2sc(N3CCOc4ccc(Br)cc43)nc2C1 to produce CC1(C)CNC(=O)c2sc(N3CCOc4ccc(N)cc43)nc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.