Using CCc1nnc(CC)s1, Cn1c([N+](=O)[O-])cnc1C=O to produce CCc1nnc(C(C)=Cc2ncc([N+](=O)[O-])n2C)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.