Using CCOC(=O)CC1SC(c2ccccc2)N(CCC(C)C)C1=O, C[Si](C)(C)[N-][Si](C)(C)C to produce CCOC(=O)C(C)C1SC(c2ccccc2)N(CCC(C)C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.