Error:
CH3CH2OH %2B I2 %2B NaOH %3D HCOONa %2B CHI3 %2B HI %2B H2O
^Unexpected character ('%')CH3CH2OH %2B I2 %2B NaOH %3D HCOONa %2B CHI3 %2B HI %2B H2O
^Unexpected character ('%')