Error:
CH3COCH3 %2B I2 %2B NaOH %3D HCOONa %2B CHI3 %2B HI
^Unexpected character ('%')CH3COCH3 %2B I2 %2B NaOH %3D HCOONa %2B CHI3 %2B HI
^Unexpected character ('%')