Using CCCSCCOc1cccc2c(Nc3ccccc3C)c(C(=O)CC)cnc12, O=C([O-])O to produce CCCS(=O)CCOc1cccc2c(Nc3ccccc3C)c(C(=O)CC)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.