Using CN1CCc2c(c3cccc(Cl)c3n2CC(C)(O)c2ccncc2)C1 to produce C/C(=C\n1c2c(c3cccc(Cl)c31)CN(C)CC2)c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.