Using O=P([O-])([O-])[O-], COc1ccc(CNc2ncc(C#N)c3sc4cc(Br)ccc4c23)cc1 to produce NC(=O)c1cnc(N)c2c1sc1cc(Br)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.