Using CSC(C)(C)CCCC(C)CC=O, CCOC(=O)C=C(C)CP(=O)(OCC)OCC to produce CCOC(=O)C=C(C)C=CCC(C)CCCC(C)(C)SC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.