Using CN(C(=O)c1ccc(OCC2CC2)cn1)[C@H]1CCc2cc(Br)ccc2C1, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1ccc2c(c1)CC[C@H](N(C)C(=O)c1ccc(OCC3CC3)cn1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.