Using CC(C)(C)OC(=O)NCCn1c(=S)[nH]c2cnc3cccnc3c21, CI to produce CSc1nc2cnc3cccnc3c2n1CCNC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.