Using Cc1[nH]ncc1-c1cc2nc(C(Cc3ccccc3)N3CCCC3)[nH]c(=O)c2s1 to produce Cc1[nH]ncc1-c1cc2nc(/C=C/c3ccccc3)[nH]c(=O)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.