{"expression": "safe_add(safe_add(safe_exp(safe_mul(safe_exp(safe_exp(one)),safe_mul(safe_exp(half),safe_sub(half,one)))), relu(std(safe_sub(x,safe_sub(safe_log(y),safe_div(x,cos(relu(y)))))))),safe_exp(safe_mul(safe_exp(safe_exp(one)),safe_mul(safe_exp(half),safe_sub(half,one)))))"}