Using CCCCCCCCOS(=O)(=O)c1ccc(C)cc1, O=C1c2ccsc2C(=O)c2ccsc21 to produce CCCCCCCCOc1c2ccsc2c(OCCCCCCCC)c2ccsc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.