Using CCOC(=O)c1c(CC)ncnc1NCCc1ccc(CCOS(C)(=O)=O)cc1, C[S-] to produce CCOC(=O)c1c(CC)ncnc1NCCc1ccc(CCSC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.