Using C(=NNc1ccccc1)c1ccc(N(c2ccccc2)c2ccccc2)cc1, C=COCCCl to produce C=COCCN(N=Cc1ccc(N(c2ccccc2)c2ccccc2)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.