Using O=C(Nc1nc(-c2ccccc2)c(C(=O)O)s1)c1cc(Br)ccc1O, On1nnc2ccccc21 to produce CNC(=O)c1sc(NC(=O)c2cc(Br)ccc2O)nc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.