Using CC(=O)c1cc(C)cc(C)c1, O=C(O)C(SCCc1ccccc1)C(=O)O to produce Cc1cc(C)cc(-c2cc(O)c(SCCc3ccccc3)c(=O)o2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.