Using NCCc1c[nH]c2cc3c(cc12)C(=O)N(Cc1ccccc1)CC3 to produce NCCC1=c2cc3c(cc2N=C1)=CCN(Cc1ccccc1)C3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.