... ; 2. load the free memory pointer
117 DUP2
118 PUSH4 ffffffff
123 AND
124 PUSH1 e0 ; 3.1 push 224 (0x0e) on the stack
126 SHL ; 3.2 shift the functin selector of doSomething() left by 224 bits, so to prepare the calldata to be sent to the Target contract
127 DUP2
128 MSTORE ...