Using COc1ccc(CNC(=O)c2cc(C#N)ccc2N[C@@H](C)CN=[N+]=[N-])cc1OC to produce COc1ccc(CNC(=O)c2cc(C#N)ccc2N[C@@H](C)CN)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.