Using NO, COc1cc(C2C(C#N)=C(N)Oc3c2ccc2ccccc32)cc(Br)c1OC to produce COc1cc(C2C(C(=N)NO)=C(N)Oc3c2ccc2ccccc32)cc(Br)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.