Using Nc1ncc(B(O)O)cc1-c1ccc2c(c1)CCNC2=O, CCNS(=O)(=O)c1ccc(Br)s1 to produce CCNS(=O)(=O)c1ccc(-c2cnc(N)c(-c3ccc4c(c3)CCNC4=O)c2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.