Using CC(C)(C)OC(=O)NCc1ncc(CN2C(=O)c3ccccc3C2=O)s1 to produce O=C1c2ccccc2C(=O)N1Cc1cn2cncc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.