Using C[C@H](c1cn(C)c2ccccc12)[C@H]1NC(=O)[C@@H](C[CH2+]2C=CC=CN2C)NC1=O to produce CN1CCC=CC1CC1NC(=O)CNC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.