train.py: error: argument --dataset: expected one argument

[bhattacharyyadeep]

dataset= 'busi'
input_size=256
!python train.py --arch UKAN --dataset ${dataset} --input_w ${input_size} --input_h ${input_size} --name ${dataset}_UKAN --data_dir [/content/drive/MyDrive/Seg_UKAN/inputs]

Error coming :
usage: train.py [-h] [--name NAME] [--epochs N] [-b N] [--dataseed DATASEED] [--arch ARCH]
[--deep_supervision DEEP_SUPERVISION] [--input_channels INPUT_CHANNELS]
[--num_classes NUM_CLASSES] [--input_w INPUT_W] [--input_h INPUT_H]
[--input_list INPUT_LIST] [--loss {BCEDiceLoss,LovaszHingeLoss,BCEWithLogitsLoss}]
[--dataset DATASET] [--data_dir DATA_DIR] [--output_dir OUTPUT_DIR]
[--optimizer {Adam,SGD}] [--lr LR] [--momentum MOMENTUM]
[--weight_decay WEIGHT_DECAY] [--nesterov NESTEROV] [--kan_lr LR]
[--kan_weight_decay KAN_WEIGHT_DECAY]
[--scheduler {CosineAnnealingLR,ReduceLROnPlateau,MultiStepLR,ConstantLR}]
[--min_lr MIN_LR] [--factor FACTOR] [--patience PATIENCE]
[--milestones MILESTONES] [--gamma GAMMA] [--early_stopping N] [--cfg FILE]
[--num_workers NUM_WORKERS] [--no_kan]
train.py: error: argument --dataset: expected one argument

I have written as per your explannation but always getting the error also for my directory have it as !ls /content/drive/MyDrive/Seg_UKAN/inputs/
under which busi is there