Using O=C(O)C=CC1=Cc2cnc3cccc(n23)S1, CC(C)(C)OC(=O)N1CCC(CN)CC1 to produce CC(C)(C)OC(=O)N1CCC(CNC(=O)C=CC2=Cc3cnc4cccc(n34)S2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.