Store $row.SIP$ and $row.SOP$ as tokens named $rowSIP$ and $rowSOP$ and then make a 2nd drilldown with this SPL:
index="__"
sourcetype="__"
source="___" earliest=$dateFrom.earliest$ latest=$dateFrom.latest$
DOCUMENT_ID="'$documentId$'"
SERVICE_NAME="$serviceName$"
SUCCESS_STATE="$successState$"
| eval SERVICE_INPUT = replace(SERVICE_INPUT,"{{","")
| eval SERVICE_INPUT = replace(SERVICE_INPUT,"}}","")
| eval SERVICE_OUTPUT = replace(SERVICE_OUTPUT,"{{","")
| eval SERVICE_OUTPUT = replace(SERVICE_OUTPUT,"}}","")
| search SERVICE_INPUT = $rowSIP$ AND SERVICE_OUTPUT = $rowSOP$
| table TIME_STAMP, TIME_SPENT, SERVICE_NAME, SUCCESS_STATE, DOCUMENT_ID, SERVICE_INPUT , SERVICE_OUTPUT , TRANSACTION_TYPE, MACHINE_NAME
| sendemail ......
| outputcsv ....
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