Using CC(O)C1C(=O)N2C(C(=O)O)=C(SC3COC(CN)C3)C(C)C12, CN1CC(=O)OC1=O to produce CNCC(=O)NCC1CC(SC2=C(C)C3C(C(C)O)C(=O)N3C2C(=O)O)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.