can some one pleasee help me!!!

The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally bold, as is the C-C-C-C-N ring in compound B.

By comparing these structures assess which of A and B, might be (i) more active than penicillin against bacteria and (ii) less active than penicillin against bacteria.

i have to Explain how i arrived at the decisions by firstly reviewing how and why penicillin acts against bacteria and then explaining why compounds A and B might be more or less active. (No more then 300 word).

Science help needed here.

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