Using CC(=O)OC(C)=O, O=C(CSCCO)NCCCOc1cc(CN2CCCCC2)ccn1 to produce CC(=O)OCCSCC(=O)NCCCOc1cc(CN2CCCCC2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.