Error:
%28NH4%292S %2B Cl2 %2B H2O %3D NH4Cl %2B N2 %2B S %2B SO2
^Unexpected character ('%')%28NH4%292S %2B Cl2 %2B H2O %3D NH4Cl %2B N2 %2B S %2B SO2
^Unexpected character ('%')