Using CN1C(=O)N(c2ccccc2Br)Cc2cnc(S(C)(=O)=O)nc21, CN1C(=O)CSc2cc(N)ccc21 to produce CN1C(=O)CSc2cc(Nc3ncc4c(n3)N(C)C(=O)N(c3ccccc3Br)C4)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.