Using NC(=O)c1nc(Nc2ccc3ccccc3c2)sc1NC(=O)CCCN1C(=O)c2ccccc2C1=O to produce NCCCC(=O)Nc1sc(Nc2ccc3ccccc3c2)nc1C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.