Using CC(C)=CCC/C(C)=C/CC/C(C)=C/CSC[C@H](N)C(=O)O, O=C(O)Cc1c[nH]c2ccc(O)cc12 to produce CC(C)=CCC/C(C)=C/CC/C(C)=C/CSC[C@H](NC(=O)Cc1c[nH]c2ccc(O)cc12)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.