Using O=C1c2ccccc2C(=O)N1CCc1csc(Nc2ncccc2OCc2ccccc2)n1 to produce NCCc1csc(Nc2ncccc2OCc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.