Using CC(C)(C)C1Cc2cc(NC(=O)C3(c4ccc5c(c4)OC(F)(F)O5)CC3)ccc2N1CCC#N, O=CCCl to produce CC(C)(C)C1Cc2cc(NC(=O)C3(c4ccc5c(c4)OC(F)(F)O5)CC3)ccc2N1CCCl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.