Using C/C=C(\CBr)C(=O)OCC, CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)[O-])=C([C@@H]3CCCO3)CS[C@H]12)c1csc(N)n1 to produce C/C=C(/COC(=O)C1=C([C@@H]2CCCO2)CS[C@@H]2[C@H](NC(=O)/C(=N\OC)c3csc(N)n3)C(=O)N12)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.