Using Cc1cccc(C=C2CCN(CCNC(=O)Nc3cc(C)nc4ccccc34)CC2)c1 to produce Cc1cccc(CC2CCN(CCNC(=O)Nc3cc(C)nc4ccccc34)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.